Awesome Promises

A curated list of useful resources for JavaScript Promises

Inspired by the awesome list thing. Not to be confused with other awesome promises like "I promise you a million dollars" or "I promise you'll stay fit and never have to go to the gym again".

Table of Contents

• Resources, Blogs, and Books
• Promises/A+ Implementations (ES6/ES2015 compatible)
• Strict Implementations
• Implementations with extras
• Fallbacks
• Convenience Utilities

Resources, Blogs, and Books

For beginners

• Promise Cookbook - The why, what, and how. "A brief introduction [...] primarily aimed at frontend developers".
• Promises for Asynchronous Programming - Chapter from Exploring ES6
• You Don't Know JS: Promises - Chapter from You Don't Know JS: Async & Performance
• JavaScript Promises: an Introduction - Basics of JavaScript's native promise implementation.
• JavaScript with Promises - from O'Reilly. Short and to-the-point. Uses native and bluebird.
• Promise it won't hurt - An interactive nodeschool workshop
• ES6 Kata Promises - Promises Katas : Basics
• ES6 Promises in Depth
• An Incremental Tutorial on Promises - An FAQ styled tutorial for beginners.

Deep Dive

• Promise Fun - @sindresorhus's notes, patterns, and solutions to common Promise problems
• You're Missing the Point of Promises - Promises are much more than callback aggregation, and that jQuery's implementation (prior to 3.0) isn't enough.
• We have a problem with promises - "Many of us are using promises without really understanding them."
• Promise anti-patterns - Common misuses and how to avoid them.
• Promise anti-patterns (2) - Another set of promises anti-patterns
• Promise Ponderings, (Anti-)Patterns, and Apologies - Promise behaviour demonstrated and explained by common questions and their answers.
• Javascript Promises...In Wicked Detail - Recreate the promise implementation
• Writing Promise-Using Specifications - "This document gives guidance on how to write specifications that create, accept, or manipulate promises"
• Async functions - making promises friendly

References

• Promises/A+ specification
• caniuse promises
• Fates and States - Quick definitions of possible states.
• Promisees - Promise visualization playground for the adventurous.

Promises/A+ Implementations (ES6/ES2015 compatible)

Strict Implementations

These implement no more or less than the es6 spec. They make great polyfills and are exceptionally compatible with native promises.

• pinkie - Ponyfill. Node-oriented, but browserifyable. Extremely small implementation.
• native-promise-only - Polyfill. Browser and node-compatible.
• es6-promise - Opt-in polyfill. A strict-spec subset of rsvp.js.
• lie - Small, browserifyable with an opt-in polyfill.

Implementations with extras

All of these provide more features than the language yet remain compatible. Node + Browsers for all.

• bluebird - Fully featured, extremely performant. Long stack traces & generator/coroutine support.
• creed - Hyper performant & full featured like Bluebird, but FP-oriented. Coroutines, generators, promises, ES2015 iterables, & fantasy-land spec.
• rsvp.js - Lightweight with a few extras. Compatible down to IE6!
• Q - One of the original implementations. Long stack traces and other goodies.
• then/promise - Small with nodeify, denodify and done() additions.
• when.js - Packed with control flow, functional, and utility methods.

Fallbacks

• native-or-bluebird - Helps transition to completely native.
• pinkie-promise - Use native, or fall back to pinkie. Great for node library authors.
• any-promise - Loads the first available implementation. Safe for browserify.

Convenience Utilities

Native and strictly spec-compliant promises are awesome for compatibility, future-proofness, library authors, and browsers. However, libraries like bluebird patch goodies onto the Promise constructor and prototype. Solution? tiny modules of course!

sindresorhus's many Promise utilities (see notes)

• delay - Delay a promise a specified amount of time.
• pify - Promisify ("denodify") a callback-style function.
• loud-rejection - Make unhandled promise rejections fail loudly instead of the default silent fail.
• hard-rejection - Make unhandled promise rejections fail hard right away instead of the default silent fail
• p-queue - Promise queue with concurrency control
• p-break - Break out of a promise chain
• p-lazy - Create a lazy promise that defers execution until .then() or .catch() is called
• p-defer - Create a deferred promise
• p-if - Conditional promise chains
• p-tap - Tap into a promise chain without affecting its value or state
• p-map - Map over promises concurrently
• p-all - Run promise-returning & async functions concurrently with optional limited concurrency
• p-limit - Run multiple promise-returning & async functions with limited concurrency
• p-times - Run promise-returning & async functions a specific number of times concurrently
• p-catch-if - Conditional promise catch handler
• p-time - Measure the time a promise takes to resolve
• p-log - Log the value/error of a promise
• p-filter - Filter promises concurrently
• p-settle - Settle promises concurrently and get their fulfillment value or rejection reason
• p-memoize - Memoize promise-returning & async functions
• p-whilst - Calls a function repeatedly while a condition returns true and then resolves the promise
• p-throttle - Throttle promise-returning & async functions
• p-debounce - Debounce promise-returning & async functions
• p-retry - Retry a promise-returning or async function
• p-wait-for - Wait for a condition to be true
• p-timeout - Timeout a promise after a specified amount of time
• p-race - A better Promise.race()
• p-try - Promise#try() ponyfill - Starts a promise chain
• p-finally - Promise#finally() ponyfill - Invoked when the promise is settled regardless of outcome
• p-any - Wait for any promise to be fulfilled
• p-some - Wait for a specified number of promises to be fulfilled
• p-pipe - Compose promise-returning & async functions into a reusable pipeline
• p-each-series - Iterate over promises serially
• p-map-series - Map over promises serially
• p-reduce - Reduce a list of values using promises into a promise for a value
• p-props - Like Promise.all() but for Map and Object

Others

• promise-method - Standalone bluebird.method. Turn a synchronously-returning method into a promise-returning one.
• is-promise - Determine if something looks like a Promise.
• sprom - Resolve when a stream ends. Optional buffering (be careful with this!)
• task.js - Write async functions in a blocking style using promises and generators. Like bluebird.coroutine.
• co - Like task.js and bluebird.coroutine, but supports thunks too.
• lie-fs - Promise wrappers for Node's FS API.
• promise-do-until - Calls a function repeatedly until a condition returns true and then resolves the promise.
• promise-do-whilst - Calls a function repeatedly while a condition returns true and then resolves the promise.
• promise-semaphore - Push a set of work to be done in a configurable serial fashion
• promise-nodeify - Standalone nodeify method which calls a Node-style callback on resolution or rejection.

License

Licensed under the Creative Commons CC0 License.

Awesome Standard

Documenting the explosion of packages in the standard ecosystem!

standard

• standard - JavaScript Standard Style. One Style to Rule Them All!

usage stats

• npm packages that use standard (full list) - List of packages that use standard
• download graphs of standard (npm-stat.com) - npm registry download count
• top npm packages (gist) - standard is one of the top packages on npm

packages used by standard

• eslint - AST-based pattern checker for JavaScript
• standard-engine - standard's guts, extracted into a reuseable package. build your own!
• eslint-config-standard - standard eslint rules, as a shareable config
• eslint-config-standard-jsx - standard eslint rules for JSX
• eslint-plugin-standard - standard custom eslint rules (not part of eslint core)

automatic code formatters

• standard --fix - automatic formatting is built-in to standard!
• prettier-standard - format with prettier configured to standard rules
• "unix commands" gist - A list of search and replace unix commands to help make a node repository 'standard' compliant

editor plugins

• Every major text editor has a plugin or built-in support for standard. See the full list of supported editors.
• Atom: linter-js-standard - linter
• Atom: linter-js-standard-engine - linter
• Atom: standard-formatter - auto-fixer
• Atom: standardjs-snippets - code snippets
• Brackets: brackets-standard - linter
• Emacs: see readme
• Sublime Text: SublimeLinter-contrib-standard - linter
• Sublime Text: StandardFormat - auto-fixer
• Visual Studio Code: vscode-standard - linter & auto-fixer
• Vim: see readme
• Visual Studio Code: vscode-standardjs-snippets - code snippets
• Visual Studio Code: vscode-react-standard - code snippets
• WebStorm (PhpStorm, IntelliJ, RubyMine, JetBrains, etc.): built-in support. see readme

pretty terminal output (reporters)

• snazzy - Format JavaScript Standard Style as Stylish (i.e. snazzy) output
• standard-tap - Format JavaScript Standard Style as TAP output
• standard-json - Format JavaScript Standard Style output to a JSON array
• standard-reporter - Reporters for feross/standard via unix pipes, many options
• standard-summary - Display output as a list of errors, ordered by count

build tools

• grunt-standard - Grunt plugin for standard
• gulp-standard - Gulp plugin for standard
• mocha-standard - Integrates standard into your mocha tests
• standard-loader - Lint webpack builds with standard
• docker-standard - Standardjs Docker image to easily and quickly lint and report javascript files. Very useful in Docker based build systems.
• rollup-plugin-standard - Lint Rollup builds with Standard

code/project generators

• generator-babel-standard - Yeoman generator for new packages with babel and standard
• generate-swap-project - Generate Your ESNext+StandardJS+Mocha Ready, NodeJS Projects in Seconds!
• generate-swap-generator Generate Your Own ESNext+StandardJS+Mocha Ready NodeJS Generators In Seconds!

inspired by standard

• standard-markdown - Lint all the javascript code blocks in your markdown files
• stylelint-config-standard - The standard shareable config for stylelint.
• standard-sass - Sass & Scss & Css Standard Style. One Style to Rule Them All!
• wemake-frontend-styleguide - JavaScript & TypeScript & Vue & JsDoc & Scss style guides based on standard tools. Very strict!

forks

• semistandard - standard, with semicolons
• uber-standard - fork by the Uber team
• videojs-standard - fork by the video.js team
• yodlr-standard - fork by the yodlr team
• happiness - standard customized to make @JedWatson happy
• doublestandard - standard, with even more semicolons
• xo - "JavaScript happiness style"
• jsw - "the spec doesnt care about semicolons and neither should you"
• obama - Move forward and standardize with Obama
• aStandard - A stricter standard made for babel and es7
• standard-own - standard but with more customization and individual rules.
• standard-focus - Focus on one error at a time.
• standa standard without JSX rules.

PRs welcome!

License

To the extent possible under law, Feross Aboukhadijeh has waived all copyright and related or neighboring rights to this work.

This is a list of must-watch videos devoted to JavaScript

2020

1. David Neal: JavaScript: Past, Present and Future [47:26]

2019

1. Rich Harris: Rethinking reactivity [36:44]
2. Mathias Bynens & Sathya Gunasekaran: What's new in JavaScript? [36:32]
3. Maxim Koretskyi: JSConf EU: A sneak peek into super optimized code in JS frameworks [23:20]
4. Una Kravets: CSS Houdini & The Future of Styling [25:42]

2018

1. Jake Archibald: In The Loop [35:11]
2. Malte Ubl: Designing very large JavaScript application [28:55]
3. Ryan Dahl: 10 Things I Regret About Node.js [26:41]
4. Mathias Bynens & Benedikt Meurer: JavaScript Engines: The Good Parts™ [23:09]
5. Ronen Amiel: Build your own webpack [39:38]
6. Addy Osmani: The Cost Of JavaScript [20:07]
7. Erin Zimmer: Further Adventures of the Event Loop [21:15]
8. Laurie Voss: npm and the Future of JavaScript [55:00]

2017

1. Lin Clark: A Cartoon Intro to Fiber [31:47]
2. Yoav Weiss: Caches All the Way Down! [30:58]
3. Franziska Hinkelmann: JavaScript engines - how do they even? [25:13]
4. Anjana Vakil: Immutable data structures for functional JS [26:32]

2016

1. Brendan Eich: JavaScript in 2016: Beyond Harmony [15:31]
2. André Staltz: Brains as building blocks [21:26]
3. Cheng Lou: On the Spectrum of Abstraction [35:31]
4. Anjana Vakil: Learning Functional Programming with JavaScript [29:56]
5. Kyle Simpson: Advanced Async and Concurrency Patterns in JavaScript [39:42]

2015

1. Dr. Axel Rauschmayer: Using ECMAScript 6 today
   • Part 1 [40:44]
   • Part 2 [53:04]
2. Brendan Eich: ECMAScript Harmony: Rise of the Compilers [19:17]
3. Andreas Gal: Dirty Performance Secrets of HTML5 [14:15]
4. Andre Staltz: What if the user was a function? [32:19]
5. Gilmore Davidson: Time zone of your life [23:40]
6. Elijah Manor: Eliminate JavaScript Code Smells [29:15]
7. Dan Abramov: Live React: Hot Reloading with Time Travel [30:40]
8. Brain Ford: Problem solving in the open source world [29:57]
9. Kris Kowal: A General Theory of Reactivity [35:38]

2014

1. Ilya Grigorik: Website Performance Optimization (Udacity course) [1:13:57]
2. Mark DiMarco: User Interface Algorithms [27:41]
3. Neil Green: Writing Custom DSLs [29:07]
4. Eric Bidelman: Polymer and Web Components change everything you know about Web development [36:12]
5. Alex Russell, Jake Archibald: Bridging the gap between the web and apps [48:40]
6. Scott Hanselman: Virtual Machines, JavaScript and Assembler [25:56]
7. Jafar Husain: Async JavaScript with Reactive Extensions [26:38]
8. John-David Dalton: Unorthodox Performance [43:39]
9. Gary Bernhardt: The Birth & Death of Javascript [29:22]
10. Addy Osmani: Memory Management Masterclass [55:06]
11. Reginald Braithwaite: Invent the future, don't recreate the past [39:16]
12. Kyle Simpson: Syncing Async [42:25]
13. Ariya Hidayat: JavaScript and the Browser: Under the Hood [29:13]
14. Jafar Husain: Version 7: The Evolution of JavaScript [1:11:53]
15. David Nolen: Immutability: Putting The Dream Machine To Work [22:05]
16. Pete Hunt: OSCON 2014: How Instagram.com Works [40:18]
17. Philip Roberts: JSConf EU: What the heck is the event loop anyway? [26:52]
18. Mark Stuart: Paypal: Web Security in Node.js and Javascript Apps (SPAs) [29:11]

2013

1. Nat Duca, Tom Wiltzius: Jank Free: Chrome Rendering Performance [40:53]
2. Ilya Grigorik: Automating Performance Best Practices with PageSpeed [46:58]
3. Eric Bidelman: Web Components [32:39]
4. Alex Komoroske, Matthew McNulty: Web Components in Action [41:28]
5. Paul Lewis, Peter Beverloo: Device Agnostic Development [40:44]
6. John McCutchan, Loreena Lee: A Trip Down Memory Lane with Gmail and DevTools [42:09]
7. Joe Marini: Upgrading to a Chrome Packaged App [43:49]
8. Pete Hunt: React: Rethinking best practices [29:31]
9. Martin Kleppe: 1024+ Seconds of JS Wizardry [31:01]
10. Yehuda Katz: A tale of two MVC's [31:06]
11. Vyacheslav Egorov: Performance and Benchmarking [25:41]
12. Brendan Eich: JavaScript at 18: Legal to Gamble [25:44]
13. Mathias Bynens: JavaScript ♥ Unicode [26:12]
14. Mark Trostler: Testable JavaScript - Architecting Your Application for Testability [45:35]
15. James Shore: The Definitive Guide to Object-Oriented Javascript

2012

1. Ryan Sandor Richards: Garbage Collection & Heap Management [32:57]
2. Addy Osmani: Scaling Your JavaScript Applications
   • Part 1 [22:37]
   • Part 2 [15:41]
   • Part 3 [33:31]
3. John-David Dalton: Lo-Dash [25:08]
4. Gary Bernhardt: WAT [4:17]
5. Angus Croll: Break all the rules [31:29]
6. Nicholas Zakas: Maintainable JavaScript [47:04]
7. Douglas Crockford: Principles of Security [59:52]
8. Brian Leroux: WTFJS [18:26]

2011

1. Douglas Crockford: Level 7: ECMAScript 5: The New Parts [57:18]
2. Douglas Crockford: Section 8: Programming Style and Your Brain [1:06:45]
3. Ryan Dahl: Introduction to Node.js [1:06:33]
4. Alex Russell: Learning to Love JavaScript [1:03:25]

2010

1. Douglas Crockford: Volume One: The Early Years [1:42:08]
2. Douglas Crockford: Chapter 2: And Then There Was JavaScript [1:30:22]
3. Douglas Crockford: Act III: Function the Ultimate [1:13:28]
4. Douglas Crockford: Episode IV: The Metamorphosis of Ajax [1:33:54]
5. Douglas Crockford: Part 5: The End of All Things [1:24:42]
6. Douglas Crockford: Scene 6: Loopage [51:52]

2009

1. Nicholas Zakas: Scalable JavaScript Application Architecture [52:22]
2. Douglas Crockford: JavaScript: The Good Parts [1:03:47]

JS Tips

Useful JavaScript tips

This is an awesome project about short and useful JavaScript tips that will allow you to improve your code writing. With less than 2 minutes, you will be able to read about performance, conventions, hacks, interview questions and all the items that the future of this awesome language holds for us.

Tips are added frequently (read further if you want to stay in touch).

Support the community

If you found a JS Tip useful or you like a writer of the community now you are able to show some respect and support with a tip!

Can you help us enrich it?

Sure, you can help the project in two ways, sending your tip or reviewing future tips. Any improvements or suggestions are more than welcome! Instructions are here.

Let’s keep in touch

There are a lot of ways to get updates, choose your own

• Official Blog
• Official Twitter Account
• Hubot
• Slackbot
• iOS App

Don't forget to Star★ the repo, as this helps promoting the project!

Tips list

• 74 - Check the reason make your page re-render by changed props and state
• 73 - Hash maps without side effects
• 72 - Adventurers Guide to React (Part I)
• 71 - VueJS, How VueJS makes a copy-update-replace inside the data binding
• 70 - Picking and rejecting object properties
• 69 - Enhancing React components, Composition
• 68 - Why you should use Object.is() in equality comparison
• 67 - Recursion, iteration and tail calls in JS
• 66 - State to Props maps with memory
• 65 - Tapping for quick debugging
• 64 - 3 Array Hacks
• 63 - Working With Websocket Timeout
• 62 - Preventing Unwanted Scopes Creation in AngularJs
• 61 - Binding objects to functions
• 60 - Three useful hacks
• 59 - ES6, var vs let
• 58 - Breaking or continuing loop in functional programming
• 57 - Comma operator in JS
• 56 - Copy to Clipboard
• 55 - Create an easy loop using an array
• 54 - How to use optional arguments in functions (with optional callback)
• 53 - Get File Extension
• 52 - Return Values with the 'new' Operator
• 51 - DOM event listening made easy

• 50 - Helpful Console Logging Tricks

• 49 - Easiest way to extract Unix timestamps

• 48 - Reduce builtin function usage
• 47 - Basics: Declarations
• 46 - Detect document ready in pure JS
• 45 - Calculate the Max/Min value from an array

• 44 - Know the passing mechanism

• 43 - Use destructuring in function parameters

• 42 - Preventing Unapply Attacks
• 41 - Array average and median
• 40 - Using JSON.stringify
• 39 - Advanced Properties

• 38 - Flattening multidimensional Arrays

• 37 - Deduplicate an Array

• 36 - Observe DOM changes in extensions
• 35 - Assignment Operators
• 34 - Implementing asynchronous loop
• 33 - Create Range 0...N easily using one line

• 32 - Map() to the rescue: adding order to Object properties

• 31 - Avoid modifying or passing arguments into other functions — it kills optimization

• 30 - Converting truthy/falsy values to boolean
• 29 - Speed up recursive functions with memoization
• 28 - Currying vs partial application
• 27 - Short circuit evaluation
• 26 - Filtering and sorting a list of Strings
• 25 - Using immediately invoked function expression
• 24 - Use === instead of ==
• 23 - Converting to number fast way
• 22 - Empty an Array
• 21 - Shuffle an Array
• 20 - Return objects to enable chaining of functions
• 19 - Safe String concatenation
• 18 - Truncating the fast (but risky) way
• 17 - Node.js: Run a module if it is not "required"
• 16 - Passing arguments to callback functions
• 15 - Even simpler way of using indexOf as a contains clause
• 14 - Fat Arrow Functions #ES6
• 13 - Measure performance of a code block
• 12 - Pseudomandatory parameters in ES6 functions #ES6
• 11 - Hoisting
• 10 - Check if a property is in an Object
• 09 - Template Strings
• 08 - Converting a Node List to an Array
• 07 - "use strict" and get lazy
• 06 - Writing a single method for arrays and a single element
• 05 - Differences between undefined and null
• 04 - Sorting Strings with accented characters
• 03 - Improve Nested Conditionals
• 02 - ReactJS - Keys in children components are important
• 01 - AngularJS: $digest vs $apply
• 00 - Insert item inside an Array

License

GNU GENERAL PUBLIC LICENSE

Awesome JavaScript Network

A 🎩 list of network layer resources written pure JS.

High level

Based, at least, in a CLI interface.

• airpaste – 1-1 network pipe that auto discovers other peers using mdns.
• blecat – 1-1 pipe over bluetooth low energy.
• deejay – Music player that broadcasts to everyone on the same network.
• dhtkv – CLI for storing arbitrary key/value data in the bittorrent mainline DHT.
• gun – A realtime, decentralized, offline-first, graph database engine.
• hyperpipe – Distributed input/output pipe.
• hypervision – P2P Television.
• instant.io – Streaming file transfer over WebTorrent.
• ipp-printer – Create a printer on your network.
• peercast – Like peerflix but for Chromecast.
• peerflix – Streaming torrent client.
• peervisionary – Stream p2p content over your local network.
• peerwiki – browse all of wikipedia using bittorrent.
• screencat – WebRTC screensharing app.
• signalhub – Simple signalling server that can be used to coordinate handshaking with webrtc or other fun stuff.
• torrent-mount – Mount a torrent (or magnet link) as a filesystem in real time using torrent-stream and fuse.
• webcat – pipe across the web using WebRTC.
• websocketd – Turn any program that uses stdin/stdout into a WebSocket server.
• webtorrent – BitTorrent over WebRTC.
• wifi-triangulate – Finds your current position on planet earth using the wifi access point.

Modules

Do one thing well.

• airplay-server – A low level AirPlay server.
• castnow – simple chromecast player.
• discovery-swarm – A network swarm that uses discovery-channel to find peers. Also check webrtc-swarm.
• dns-packet – Abstract-encoding compliant module for encoding / decoding DNS packets. Also see dns-socket.
• etcdjs – Low level etcd v2 client written in Javascript with failover support.
• geocode-wifi – Get yours latitude/longitude based on your wifi access point.
• hash-to-port – Hash a value to a valid port.
• hyperdb – Distributed scalable database.
• ip-packet – Encode/decode raw ip packets.
• magnet-uri – Parse a magnet URI and return an object of keys/values.
• mutex-server - Critical section controllers, like mutex and semaphore, in the network level.
• network-address – Get the local network address of your machine.
• network-simulator – Simulate a low-level computer network.
• rtsp-stream - A transport agnostic RTSP serial multiplexer module for Node.
• simple-peer – Simple WebRTC video/voice and data channels.
• simple-websocket – Simple, EventEmitter API for WebSockets.
• torrent-discovery – Discover BitTorrent and WebTorrent peers.
• torrent-stream – The low level streaming torrent engine that peerflix uses.
• udp-packet – Encode/decode raw udp packets.
• rpc-websockets - JSON-RPC 2.0 implementation over WebSockets for Node.js and JavaScript.

Protocols

Implementation of protocols specs in pure javascript.

• airswarm – Network swarm that automagically discovers other peers on the network using multicast dns.
• bittorrent-dht – BitTorrent DHT protocol implementation.
• bittorrent-protocol – BitTorrent peer wire protocol implementation.
• bittorrent-tracker – BitTorrent tracker (client & server) implementation
• bonjour – A Bonjour/Zeroconf protocol implementation.
• castv2 – An implementation of the Chromecast CASTV2 protocol.
• dht-rpc – Make RPC calls over a Kademlia based DHT.
• dns-discovery – Discovery peers in a distributed system using regular dns and multicast dns.
• hypercore – A p2p network for distributing and replicating static feeds of binary data.
• ipfs – The InterPlanetary File System, a new peer-to-peer hypermedia protocol.
• k-bucket – Kademlia DHT K-bucket implementation as a binary tree.
• k-rpc – Implementation of the k-rpc protocol used the BitTorrent DHT. Also see k-rpc-socket.
• mdns – mdns/zeroconf/bonjour service discovery.
• multicast-dns – Low level multicast-dns implementation.
• peervision – Live p2p streaming protocol.
• polo – A zero configuration service discovery module.
• rtsp-server – A low level module for creating RTSP servers.
• utp-native – micro transport protocol, a network protocol similar to tcp that runs on top of udp.

Awesome Micro npm Packages

A curated list of small, focused Node.js modules.

Inspired by the awesome list thing.

Articles

• One-line node modules
• Build small single purpose modules
• Module best practices
• Evaluating Packages Part 1 - Turn to community
• Evaluating Packages Part 2 - Review repository
• Small modules: it’s not quite that simple
• In Defense of Hyper Modular JavaScript
• Tiny npm package: Guidelines to create a Node.js module following the small package philosophy
• The cost of small modules
• Why I think "micro-packages" are a good thing.

Modules

Array

• is-sorted - A small module to check if an Array is sorted.
• array-first - Get the first element or first n elements of an array.
• array-last - Return the last element in an array.
• arr-flatten - Recursively flatten an array or arrays.
• dedupe - Remove duplicates from an array.
• array-range - Creates a new array with given range.
• arr-diff - Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
• filled-array - Returns an array filled with the specified input
• map-array - Map object keys and values into an array.
• in-array - Return true if any of passed values exists in array - faster than using indexOf.
• unordered-array-remove - Efficiently remove an element from an unordered array without doing a splice.
• array-swap - Swap position of two items in an array.
• mirrarray - Creates a keymirror object from an array of valid keys.
• group-array - Group array of objects into lists.
• array.chunk - Split array/TypedArray to chunks of given size.

String

• decamelize - Convert a camelized string into a lowercased one with a custom separator: unicornRainbow → unicorn_rainbow.
• pad-left - Left pad a string with zeros or a specified string.
• to-camel-case - Convert a string to a camel case.
• to-capital-case - Convert a string to a capital case.
• to-constant-case - Convert a string to a constant case.
• to-dot-case - Convert a string to a dot case.
• to-no-case - Remove an existing case from a string.
• to-pascal-case - Convert a string to a pascal case.
• to-sentence-case - Convert a string to a sentence case.
• to-snake-case - Convert a string to a snake case.
• to-space-case - Convert a string to a space case.
• to-title-case - Convert a string to a title case.
• node-slug - slugifies even utf-8 chars.
• rtrim - Strip whitespace - or other characters - from the end of a string.
• slice.js - Javascript library to enhance String.substring / Array.slice with python slice style.
• strip-ansi - Strip ANSI escape codes.
• striptags - An implementation of PHP's strip_tags in Node.js.
• parse-next-json-value - Parse next JSON value from string allowing extraneous characters after value.
• pluralize - A very tiny library to pluralize words

Date & Time

• pretty-ms - Convert milliseconds to a human readable string: 1337000000 → 15d 11h 23m 20s.
• hirestime - A wrapper around the built-in high resolution timer which simplifies the calculation of timestamps.
• periods - Defined time-periods constants for Javascript, in milliseconds.
• fecha - Javascript Date formatting and parsing.
• akamai-time-reference - Get reference time using Akamai's time reference service.
• timeago.js - A tiny(~1.7kb) library used to format date with *** time ago statement.
• count-days-in-month - Get the number of days in a given month.
• time-stamp - Get a formatted timestamp.
• twas - Generate a relative time string (Example: "3 seconds ago")

Object

• map-obj - Map object keys and values into a new object.
• filter-obj - Filter object keys and values into a new object.
• object-values - Get the values of an object.
• object-pairs - Turn an object into list of [key, value] pairs for mapping, iterating or other purposes.
• zipmap - Returns a map with the keys mapped to the corresponding vals. zipmap also accepts a single value of objects or pairs.
• just-pluck - Pluck without the madness.
• deep-equal - Node's assert.deepEqual() algorithm as a standalone module.
• deep-assign - Recursive Object.assign().
• set-value - Create nested values and any intermediaries dot notation ('a.b.c') paths.
• get-value - Use property paths (a.b.c) to get a nested value from an object.
• has-value - Returns true if a value exists, false if empty. Works with deeply nested values using dot notation ('a.b.c') paths.
• has-key-deep - Deep-search objects for keys. Keys can be searched by providing an array of keys, or using a dot-notiation.
• flatkeys - Flatten object key hierarchies into a list of strings using a custom separator.
• flatten-obj - Converts an object literal with deeply nested nodes to a simple key/value object.
• is-empty-object - Check if an object is empty.
• stringify-object - Stringify an object/array like JSON.stringify just without all the double-quotes.
• sorted-object - Returns a copy of an object with its keys sorted.
• static-props - Defines static object attributes using Object.defineProperties
• missing-deep-keys - Returns an array of keys from first object that are missing in second.
• has-own-property - Check if an object has a local property.
• merge-objects - Deep-merge two objects. Arrays that are values of the same object key get concatenated.
• deep-object-diff - Deep diff two JavaScript Objects while preserving the data structure. Including nested structures of Arrays and Objects.

Function

• compose-function - Compose a new function from smaller functions f(g(x)).
• curry - A curry function without anything too clever.
• once - Run a function exactly one time.
• deep-bind - Bind a context to all functions in an object, including deeply nested functions.
• identity-function - Always return the input argument.
• mem - An optimization technique used to speed up consecutive function calls by caching the result of calls with identical input.
• throttle-debounce - Throttle/debounce your functions.
• compose-tiny - A very tiny and fast compose function.

Math

• is-even - A good way to tell if a number is even or not (avoids type issues). Uses is-odd and is-number under the hood.
• is-number - Returns true if the value is a number.
• is-odd - A good way to tell if a number is odd or not (avoids type issues). Uses is-number under the hood.
• easy-math.js - A tiny easy math library including addition, multiplication, subtraction, and division.
• my-prime - A good way to tell if a number is prime or not.
• fun-gcd - A tiny math library to get gcd of two numbers using Euclidean algorithm

Stream

• through2 - Tiny wrapper around Node streams2 Transform to avoid explicit subclassing noise.
• through2-filter - A through2 to create an Array.prototype.filter analog for streams.
• through2-map - A through2 to create an Array.prototype.map analog for streams.
• stream-spigot - A readable stream generator, useful for testing or converting simple functions into Readable streams.
• concat-stream - writable stream that concatenates strings or data and calls a callback with the result.
• JSONStream - streaming JSON.parse and stringify
• through2-map-promise - A small promise-based wrapper for through2.
• pump - pipe streams together and close all of them if one of them closes.
• split - Break up a stream and reassemble it so that each line is a chunk.
• is-stream - Check if something is a Node.js stream.
• syncthrough - Transform your data as it pass by, synchronously.

Promise

• pify - Promisify a callback-style function.
• promise-all-props - Like Promise.all but for object properties.
• sleep-promise - Resolves a promise after a specified delay.
• is-promise - Test whether an object looks like a promises-a+ promise.

Data Structure

• quetie - Just the cutest and tiniest queue/deque implementation!

File System

• rimraf - A deep deletion module for node (like rm -rf).
• mkdirp - Recursively mkdir, like mkdir -p.
• du - A simple JavaScript implementation of du -sb.
• file-size - Lightweight filesize to human-readable / proportions w/o dependencies.
• tmp - Temporary file and directory creator for node.js.
• fs-promise - Node fs methods as Promise/A+ (optional fs-extra, graceful-fs).
• read-git-user - Reads the username and email from .gitconfig :wrench: and returns it as json object.

Browser

• delegate - Lightweight event delegation.
• insert-css - Insert a string of css into the head
• dom-element-value - DOM element value getter/setter.
• image-promise - Load one or more <img>s in a Promise.
• get-media-size - Get the original size of any img/video/svg/canvas tags or canvas context.
• document-ready - Document ready listener for modern browsers.
• copee - Copy text from browser to clipboard...natively!

Semver

• semver - The semantic version parser used by npm.
• semver-max - Find maximum (or minimum) version according to semver.
• semver-first-satisfied - Find minimum in an array of version that satisfies a semver range.

CLI

• abbrev - Calculate the set of unique abbreviations for a given set of strings.
• glob - Glob functionality for node.js.
• username - Get the username of the current user.
• minimist - Parse argument options.
• png-to-ico - Convert png to windows ico format.
• help-version - Easily handle --help and --version arguments in your CLI application

Module management

• pkg-conf - Get namespaced config from the closest package.json.
• normalize-pkg - Normalize values in package.json to improve compatibility, programmatic readability and usefulness with third party libs.

Generators

• is-generator - Check whether a given value is a generator function.

Other

• uuid - Generate RFC-compliant UUIDs in JavaScript.
• node-mime - Comprehensive MIME type mapping API based on mime-db module.
• not-defined - Checks if foo is not defined, i.e. undefined, null, an empty string, array or object.
• is-fqdn - Check if a string represent a fully qualified domain name.
• shurley - Parses URLs from user input (with potential typos in protocols, bad copy+paste, etc.) and returns a proper URL.
• mime-type-check - Get the MIME type of a file by its extension.

Related lists

This section contains awesome lists that you may find useful if you use or write small NPM modules.

• awesome-nodejs - A curated list of delightful Node.js packages and resources.
• awesome-npm - Awesome npm resources and tips.

Small modules rockstars to follow

These people are used to develop awesome NPM modules that follows the single responsibility philosophy. Follow them to discover new great modules:

| | | | | ---|---|---|---|---|--- Sindre Sorhus | James Halliday | Eugene Sharygin | Isaac Z. Schlueter | Jon Schlinkert | Dominic Tarr

| | ---|---|--- Rod Vagg | Max Ogden | Brian Woodward

Contribute

Contributions welcome! Read the contribution guidelines first.

License

To the extent possible under law, Andrea Parodi has waived all copyright and related or neighboring rights to this work.

Awesome Mad Science

Delightful npm packages that make you say "wow, didn't know that was possible!" PRs welcome!

peer-to-peer

• peerwiki - all of wikipedia on bittorrent
• simple-peer - send video/voice/data p2p in the browser (with webrtc)
• torrent-docker - realtime boot of remote docker images over bittorrent
• torrent-mount - mount a torrent as a filesystem
• webtorrent - streaming torrent client for node & the browser

browserify

• brfs - turn fs.readFileSync() calls into inlined static assets
• browser field spec - replace certain files/modules when a module is bundled for the browser
• browserify - use require() in the browser
• glslify - npm modules compiled into WebGL shaders
• webworkify - composable web workers for browserify

files

• file-type - detect file content types by checking their magic numbers
• fuse4js - write filesystem driver in js

geometry

• alpha-shape - any dimensional alpha shapes (think "concave" hull)
• box-intersect - fast any dimensional box intersection detection
• convex-hull - robust any dimensional convex hull
• delaunay-triangulate - robust any dimensional delaunay triangulation
• surface-nets - extracts level sets in any dimension
• voronoi-diagram - any dimensional voronoi diagrams
• voxelize - voxelize a mesh

hardware

• cylon - command robots, devices, and more from node

images

• indico.io - facial emotion recognition and facial feature extraction
• trackingjs - computer vision on the web

sound

• doppler - detect motion with the doppler effect using only the microphone and speakers
• speak.js - text-to-speech on the web

streams

• strip-html - strip html from a stream

text

• diff - show text differences
• franc - detect the language of text
• indico.io - political sentiment analysis
• node-tesseract - A simple wrapper for the Tesseract OCR package
• normit - Google translate text & speak it
• ocrad.js - OCR in Javascript via Emscripten
• pullquoter - pull interesting quotes out of an article
• sbd - split text into sentences
• sentiment - basic sentiment analysis

terminal

• minimist - simple argument parser
• progress - create a simple terminal progress bar
• terminal-menu - create retro terminal menus
• vantage.js - CLI + SSH + REPL for Node
• cash - Cross-platform Linux commands in pure ES6

virtual machines

• jsemu - A list of emulators written in the JavaScript
• jslinux - x86 emulator for running Linux, written in JavaScript
• jvm - java virtual machine in pure node.js
• doppio - actively updated jvm in node.js, written in TypeScript

misc

• bell.js - real-time anomalies detection for periodic time series.
• bitcoinjs-lib - bitcoin client for node & the browser
• fastparallel - zero overhead parallel function calls
• google-distance - calculate travel distance between two locations on earth using Google Maps' API
• qr-image - generate QR codes

meta-programming

• notevil - javascript javascript interpreter, useful for running untrusted code safely.

mad scientists (people)

• Mikola Lysenko - linear algebra, computational geometry, WebGL
• Dominic Tarr - streams, distributed systems
• Elijah Insua - NC machines, CAD/CAM
• Mathias Buus - torrents in node, fuse bindings, data replication
• Feross Aboukhadijeh - webtorrent, bittorrent, p2p hacks
• Max Ogden - streams, voxels, data replication

License

To the extent possible under law, Feross Aboukhadijeh has waived all copyright and related or neighboring rights to this work.

maintenance-modules

There is no code in this module, the only thing is this README file.

This is a list of modules that are useful for maintaining or developing modules (in no particular order).

fixpack by henrikjoreteg

A package.json file scrubber for the truly insane. Cleans up your package.json in a deterministic way to ensure high quality, handcrafted, artisinal JSON.

npm i fixpack --save-dev

standard by feross

JavaScript standard style checker/linter. No options allowed! Uses non-configurable opinionated settings to minimize bikeshedding. Never give style feedback on a pull request again!

npm i standard --save-dev

dependency-check by maxogden

Checks which modules you have used in your code and then makes sure they are listed as dependencies in your package.json (or vice versa).

npm i dependency-check --save-dev

create-module by finnp

Helper tool for the usual steps to create a module. Creates empty github repo, generates module boilerplate, runs npm init, does first commit + push, etc.

npm i create-module --save-dev

travisjs by finnp

A command line module for travis, especially targeted for managing tests for node modules. Helps you quickly add a travis hook + generate a travis badge for your readme.

npm i travisjs --save-dev

gh-pages-deploy by meandave

Deploy to gh-pages with one command. Lets you add static build settings into your package.json and then automatically build, deploy and push to gh-pages from master using this module.

npm i gh-pages-deploy --save-dev

npm-release by phuu

Tiny tool for releasing npm modules. Bumps, commits, tags, pushes and publishes.

npm i npm-release --save-dev

npm-check-updates by tjunnone

Find newer versions of dependencies than what your package.json allows.

npm i npm-check-updates --save-dev

npe by zeke

Node Package Editor: a CLI for one-off inspection and editing of properties in package.json files. Lets you avoid having to hand-edit JSON.

npm i npe -g

package-json-to-readme by zeke

Generate a README.md from package.json contents. With npm modules, lots of info can be gleaned from properties in the package.json file: name, description, scripts.test, preferGlobal, etc. That's why package-json-to-readme exists. Use it to generate a decent boilerplate README, then iterate from there.

npm i package-json-to-readme -g

npmwd by zeke

Open the npm package URL in your browser that matches your shell's current working directory.

npm i npmwd -g

foundry by twolfson

Release manager for npm, bower, component, PyPI, git tags, and any plugin you can write. Publish to multiple package repositories at once.

npm i foundry --save-dev

semantic-release by boennemann

Fully automate your package's releases. This will determine not only which version to release, but also when – all without you having to care about it ever again. The goal of this package is to remove humans from version numbers and releases. Check out the readme for more info!

npm i semantic-release --save-dev

collaborator by maxogden

Easily add new collaborators to your github repos + npm packages from the CLI, and then generate a collaborators.md file with the newly updated list of collaborators. Use this to add new maintainers to your projects.

npm i collaborator -g

gasket by mafintosh

Preconfigured pipelines for node.js. A more powerful version of npm scripts, but less frameworky than gulp or grunt. Useful for when you might use Makefiles or bash scripts but want your pipelines to be cross platform.

npm i gasket --save-dev

module-init by ngoldman

Command-line tool to quickly create a new node module with readme, license, contributing guidelines, and other goodies.

npm i module-init -g

gh-release by ngoldman

Create a release for a node package on GitHub. Uses the Github Releases API to create a new release. Defaults to using information from package.json and CHANGELOG.md.

npm i gh-release -g

XO by sindresorhus

JavaScript happiness style linter. Enforce strict code style. No decision-making. No config. It just works!

npm i xo -g

np by sindresorhus

A better npm publish. Runs your tests before publishing, bumps version, pushes git commits/tags, and more.

npm i np -g

maintenance bash scripts

alias patch='pre-version && npm version patch && post-version' alias minor='pre-version && npm version minor && post-version' alias major='pre-version && npm version major && post-version' alias pre-version='git diff --exit-code && npm prune && npm install -q && npm test' alias post-version='npm run --if-present build && git diff --exit-code && git push && git push --tags && npm publish'

Awesome npm

Awesome npm resources and tips

npm is a package manager for the JavaScript programming language and comes bundled in the Node.js runtime.

Please read the contribution guidelines before contributing.

Contents

• Articles
• Tools
• Packages
• Clients
• Tips
• FAQ
• Community
• Documentation
• Support
• Related

Articles

• Small focused modules
• Unix philosophy and Node.js - Write programs that do one thing and do it well.
• Writing small modules
• Semver: A Primer (Must read!)
• Semver: Tilde and Caret
• Offline installation of npm packages
• Task automation with npm run
• How to use npm as a build tool
• Install npm packages globally without sudo on macOS and Linux
• Optimizing the footprint of an npm package
• The Art of Node - An introduction to Node.js and client-side development with npm.
• Why npm scripts? - An introduction to npm scripts with common packages and scripts, as well as a boilerplate project.

Tools

Web

• npms - Superb package search with deep analysis of package quality using a myriad of metrics.
  • npm-introspect - A npms-based utility for visually exploring the quality of package dependencies.
• node-modules - Personalized package search based on your GitHub social graph.
• NodeICO - Package badges.
• Libraries.io - Package discovery.
• npm-stat - Statistics charts for packages.
• npmgraph - Visualization of dependencies.
• npm trends - Compare package download counts over time.
• npm-compare - Easily search and compare packages.
• npm-top - npm users by downloads.
• npm semver calculator - Visually explore what versions of a package a semver range matches.
• ghub.io - Redirects to the GitHub repo of an npm package.
• npm addict - Your daily injection of npm packages.
• moiva - Discover and compare packages.
• Openbase - Compare open-source packages with powerful metrics and user reviews.
• Codelib.club - Search and discover open-source apps by dependencies.

Browser extensions

• Octo-Linker - Chrome extension to navigate across npm packages on GitHub with ease.
• npm-hub - Chrome extension to explore npm dependencies on GitHub repos.
• github-npm-stats - View npm download stats on GitHub.
• npm-search-update - Chrome extension to quickly search for dependencies and monitor changes from the npm registry.

CLI

• zsh-better-npm-completion - Better ZSH completion for npm.
• npkill - Easily find and remove old and heavy node_modules folders.

Packages

Publishing

• np - A better npm publish.
• publish-please - Publish packages safely and gracefully.
• npm-release - Making releasing to npm so easy a kitten could probably do it™.
• pkgfiles - List all files which would be published in a package.
• release-it - Automate releases for Git repositories and/or npm packages. Changelog generation, GitHub/GitLab releases, etc.
• semantic-release - Fully automated package publishing.

Registry

• npm-name - Check whether a package name is available on npm.
• package-json - Get the package.json of a package from the npm registry.
• latest-version - Get the latest version of an npm package.
• npm-keyword - Get a list of npm packages with a certain keyword.
• npm-user - Get user info of an npm user.
• npm-email - Get the email of an npm user.
• npm-user-packages - Get packages by an npm user.
• dpn - Get the dependents of a user's npm packages.
• npm-stats - Get data from an npm registry.
• npm-cli-login - Log in to npm.
• nrm - Registry manager.
• npm-register - Easy to set up and maintain npm registry and proxy.
• verdaccio - Lightweight private npm proxy registry.
• cloudsmith - A fully managed package management SaaS with support for public and private npm registries (and many others).

Other

• npm-home - Open the npm page of a package.
• gh-home - Open the GitHub page of a package.
• david - Check if your package dependencies are out of date.
• npm-check - Check for outdated, incorrect, and unused dependencies, as well as interactive update.
• npm-upgrade - Update outdated npm dependencies interactively.
• npm-shrinkwrap - A consistent shrinkwrap tool.
• npm-windows-upgrade - Upgrade npm on Windows.
• generator-nm - Scaffold out an npm package.
• pkg-up - Find the closest package.json file.
• read-pkg-up - Read the closest package.json file.
• normalize-package-data - Normalize package metadata.
• pkg-conf - Get namespaced config from the closest package.json.
• npm-run-path - Run locally installed binaries in the terminal by name like with global ones.
• local-npm - Use npm offline.
• npe - CLI for inspecting and editing properties in package.json.
• engine-deps - Manage Node.js version specific dependencies with ease.
• enpeem-search - Search packages by scraping the npm web search.
• npm-issues - Search known issues of all your packages at once.
• john - Make npm3's flat dependencies easier to find and sort.
• ntl - Interactive CLI menu to list & run npm tasks.
• decheck - Explore dependencies of npm packages in the command-line.
• shrinkpack - Lock down your dependencies and install offline.
• redrun - Expand scripts from package.json to improve execution speed.
• package-size - Get the bundle size of an npm package.
• synp - Convert yarn.lock to package-lock.json and vice versa.
• npm-run-all - CLI tool to run multiple npm-scripts in parallel or serial.
• onchange - Watch files and folders and run a command when something changed.
• cli-error-notifier - Sends native desktop notifications when npm scripts fail.
• luna - App to manage npm dependencies.
• emma-cli - Interactive CLI package search utility.
• lockfile-lint - Lint lockfiles for improved security and trust policies to mitigate malicious package injection and insecure lockfile resources.

Clients

• yarn - Fast, reliable, and secure dependency management.
• npm - The official client.
• pnpm - Fast, disk space efficient package manager.

Tips

Update to the latest npm version

$ npm install --global npm

Windows users, read more.

Command aliases

• npm i → npm install
• npm i -D → npm install --save-dev
• npm t → npm test
• npm it → npm install && npm test
• npm r → npm uninstall
• npm un → npm uninstall
• npm up → npm update

Shell aliases

Speed up your common npm tasks.

In your .zshrc/.bashrc:

sh alias ni='npm install' alias nid='npm install --save-dev' alias nig='npm install --global' alias nt='npm test' alias nit='npm install && npm test' alias nk='npm link' alias nr='npm run' alias ns='npm start' alias nf='npm cache clean && rm -rf node_modules && npm install' alias nlg='npm list --global --depth=0'

Don't add to package.json when installing

By default npm adds packages you install to the dependencies field in package.json (since v5). You can prevent this by specifying the --no-save flag. You can add a package to devDependencies with --save-dev/-D:

$ npm install --save-dev ava

Run scripts

You can easily run scripts using npm by adding them to the "scripts" field in package.json and run them with npm run <script-name>. Run npm run to see available scripts. Binaries of locally install packages are made available in the PATH, so you can run them by name.

json { "name": "awesome-package", "scripts": { "cat": "cat-names" }, "dependencies": { "cat-names": "^1.0.0" } }

$ npm run cat Max

All package.json properties are exposed as environment variables:

json { "name": "awesome-package", "scripts": { "name": "echo $npm_package_name" } }

$ npm run name awesome-package

Passing options to commands

You can pass options to the command you are using in your npm script by adding -- --flag like in the example below. The -- marks the end of options parsing, so npm run will just ignore it and pass it to the command.

json { "name": "awesome-package", "scripts": { "xo": "xo", "xo:fix": "npm run xo -- --fix", } }

Adding the -- --fix option is like executing xo --fix.

Silent option

npm run has a --silent option which is especially useful when combining npm scripts.

Imagine you have a setup for linting your JavaScript files like the following:

json { "name": "awesome-package", "scripts": { "xo": "xo", "xo:fix": "npm run xo --silent -- --fix", } }

Using the --silent option reduces the output in the terminal. See this comparison.

Lifecycle scripts

npm comes with predefined lifecyle scripts which are excuted under specific conditions if they are defined in your package.json.

json { "name": "awesome-package", "scripts": { "prepublishOnly": "nsp check" }, "devDependencies": { "nsp": "^3.0.0" } }

This will be executed automatically before your npm package is published to the registry via npm publish to check for known vulnerabilties in your dependencies.

Note: prepublishOnly is available since npm v4.0.0. See npm docs.

npm start and npm test

npm start and npm test are also lifecycle scripts but are not executed automatically.

json { "name": "awesome-package", "scripts": { "start": "node server.js", "test": "ava" }, "devDependencies": { "ava": "^1.0.0" } }

Therefore they can be executed simply with:

console $ npm test $ npm start

pre and post scripts

These are special lifecycle scripts which can be used to run scripts automatically in sequence.

json { "name": "awesome-package", "scripts": { "pretest": "eslint .", "test": "ava" }, "devDependencies": { "eslint": "^4.19.0", "ava": "^1.0.0" } }

console $ npm test

This will lint your files before running your tests. The tests will not run if linting fails. Or more generally spoken: the following script won’t be executed if one of the scripts running in sequence exits with an exit code other than 0.

Note: pre and post scripts can also be used for your custom npm scripts. So npm run foo will also run prefoo and postfoo if defined.

Run script with npx

npm comes bundled with npx (Since v5.2.0) — a tool to execute package binaries. Each command is executed either from the local node_modules/.bin directory, or from a central cache, installing any packages needed in order for <command> to run.

json { "name": "awesome-package", "dependencies": { "cat-names": "^1.0.0" } }

If the binary is already installed, it will be executed from node_modules/.bin.

$ npx cat-names Max

But if the binary is missing, it will be installed first.

$ npx dog-names npx: installed 46 in 3.136s Bentley

Run commands with different Node.js versions

With npx (Comes bundled with npm v5.2.0 or newer) and the node-bin package, you can easily try out code in different Node.js versions without having to use a version manager like nvm, nave, or n.

$ npx --package=node-bin@6.11.0 -- node --version v6.11.0

Link local packages

Sometimes it can be useful to have a local version of a package as a dependency. You can use npm link to link one local package into another. Run npm link in the package you want to use. This creates a global reference. Then go into your original package and run npm link <package-name> to link in the other package.

$ cd rainbow $ npm link $ cd ../unicorn $ npm link rainbow

You can now use rainbow as a dependency in the unicorn package.

Install a package from GitHub

npm supports using a shorthand for installing a package directly from a GitHub repo:

$ npm install sindresorhus/chalk

Let's target a specific commit as the main branch is a moving target:

$ npm install 'sindresorhus/chalk#51b8f32'

Specify either a commit SHA, branch, tag, or nothing.

You can also install Git dependencies with semver: (Requires npm v5 or newer)

$ npm install 'sindresorhus/chalk#semver:^2.0.0'

Install a specific version of a package

$ npm install chalk@1.0.0

List top-level installed packages and their version

$ npm ls --depth=0

Command help

Get help docs for a command:

$ npm help <command>

Example:

$ npm help install

Standalone version of a package

Quickly get a standalone version of a package that is browserified and usable in the browser.

https://wzrd.in/standalone/<package-name>[@<version>]

Examples:

• https://wzrd.in/standalone/object-assign
• https://wzrd.in/standalone/object-assign@4.0.0

Great for prototyping, but download the file or use Browserify yourself for production.

FAQ

• Check in node_modules vs. shrinkwrap
• What is the difference between Bower and npm?
• What does ^ mean in package.json versioning?
• Find the version of an installed npm package
• What's the difference between dependencies, devDependencies, and peerDependencies in package.json?

Community

• #npm on Freenode
• Stack Overflow
• Reddit
• Twitter
• Blog

Documentation

• Official
• Troubleshooting
• Semantic versioning
• Fixing npm permissions
• package.json
• npm run script
• Stats API

Support

• npm.community
• Twitter
• Contact form

Related

• awesome-nodejs

Awesome AVA

AVA is a minimal & futuristic JavaScript test runner

Contents

• Articles
• Videos
• Packages
• Works with AVA
• Tutorials
• Miscellaneous
• Support

Articles

• Recipes
• Testing React Native apps with AVA
• Getting Started with Create React App and AVA
• Effortless unit testing with AVA

Videos

• JavaScript Air episode with the AVA team
• Testing React components with AVA

Packages

• eslint-plugin-ava - ESLint rules.
• ava-codemods - Codemods that simplifies upgrading to newer versions.
• sublime-ava - Snippets for Sublime.
• atom-ava - Snippets for Atom.
• vscode-ava - Snippets for Visual Studio Code.
• vim-ava-snippets - Snippets for Vim.
• redux-ava - Test helpers for Redux.
• redux-test-recorder - Generate AVA tests for Redux reducers in a React app.
• gulp-ava - Run tests with Gulp.
• grunt-ava - Run tests with Grunt.
• fly-ava - Run tests with Fly.
• start-ava - Run tests with Start.
• sigh-ava - Run tests with Sigh.
• eslint-ava-rule-tester - Test ESLint plugins with AVA.
• jscodeshift-ava-tester - Test jscodeshift codemods with AVA.
• ava-preact-init - Set up AVA for Preact.
• ava-fixture - Run fixture/baseline tests.
• ava-fast-check - Property based testing.
• ava-fixture-docker-db - Add docker databases to your test contexts.
• ava-webcomponents - Testing web components via Puppeteer.
• ava-tap-json - JSON output with AVA compatibility.
• pava - Parameterized testing.

Works with AVA

• Spectron - Test Electron apps using AVA and ChromeDriver.
• Chūhai - Run and verify benchmarks using AVA and benchmark.js.
• Leakage - Memory leak testing.
• pify - Promisify callback-style functions for better testing. (Example)
• p-event - Promisify an event. (Example)
• execa - Test your CLI tools. (Example)
• delay - Add delays to your tests. (Example)
• get-stream - Test the output of streams. (Example)
• create-test-server - Creates a minimal Express server for testing. (Example)

Tutorials

• Testing a React & Redux Codebase - A comprehensive series of tutorials about testing a React and Redux project using AVA.

Miscellaneous

• Stickers, t-shirts, etc - The products are sold at production price without any markup.
• Slides from AVA talk at London Node User Group - By core team member Mark Wubben.

Support

• Github Discussions
• Stack Overflow
• Twitter

Awesome ESLint

A list of awesome ESLint configs, plugins, etc.

If you want to contribute, please read the contribution guidelines.

Contents

• Configs
• Configs by Well-Known Companies/Organizations
• Other Prominent Configs (100 stars or so)
• Other Configs
• Preconfigured Configs with ESLint Set up
• Plugins
• Code Quality
• Compatibility
• CSS in JS
• Deprecation
• Embedded
• Frameworks
• Languages and Environments
• Libraries
• Misc
• Practices and Specific ES Features
• Performance
• Security
• Style
• Testing Tools
• Parsers
• Formatters
• Globals
• Tools
• Developing for ESLint
• Tutorials
• Installation and Setup

Configs

Configs by Well-Known Companies/Organizations

• Airbnb - Shareable config for Airbnb's style guide.
• Airbnb-babel - Airbnb's ESLint config with Babel Support.
• Airbnb-typescript - Airbnb's ESLint config with TypeScript support.
• Alloy - Progressive ESLint config for your React/Vue/TypeScript projects.
• ESLint - Contains the ESLint configuration used for projects maintained by the ESLint team.
• Facebook - Sharable config for Facebook's style guide.
• Google - Shareable config for the Google style.
• React App - Sharable config for React projects.
• Shopify - Shareable config for Shopify's style guide.
• Wikimedia - Shareable config for Wikimedia's style guide, used by MediaWiki.

Other Prominent Configs (100 stars or so)

• Auto - Automatically configure ESLint based on your project's dependencies.
• Canonical - Shareable config for Canonical style guide.
• Standard - Shareable config for JavaScript Standard Style.
• XO - Shareable config for XO.

Other Configs

• Adjunct - A reasonable collection of plugins to use alongside your main ESLint configuration.
• Ash-Nazg - One config to rule them all!
• Cecilia - ESLint configuration for awesome projects.
• ES - Shareable config for very strict code.
• Hardcore - The most strict (but practical) ESLint config out there.
• Problems - Shareable config that only catches actual problems, and doesn't enforce stylistic preferences.
• Supermind - Shareable config for Supermind style.

Preconfigured Configs with ESLint Set up

• Node.js Standard Style - Node.js core config.
• prettier-standard - Prettier formatter with custom eslint rules allowed.
• Standard - JavaScript Standard Style.
• Superlint - JavaScript Supermind Style.
• XO - JavaScript happiness style linter ❤️.
• Healthier - Code style agnostic version of Standard, perfect companion to Prettier.

Plugins

Code Quality

• GitHub - Misc. rules from GitHub.
• SonarJS - Rules detecting bugs and suspicious patterns.
• Unicorn - Various awesome ESLint rules.
• @mysticatea/eslint-plugin - Misc. rules.
• @brettz9/eslint-plugin - Misc. rules. of @mysticatea without the personal config.

Compatibility

• Compat - Lint browser compatibility of APIs used (caniuse as an ESLint plugin).
• ecmascript-compat - Disable ECMAScript language features not supported by your browserslist targets.
• es - Disable specific ECMAScript language versions or individual features.
• es5 - ESLint plugin for ES5 users (forbid ES2015+ usage).
• ie11 - Detect unsupported ES6 features in IE11.

CSS in JS

• CSS-modules - Lint undefined or unused rules for css modules.
• Emotion - ESLint rules for emotion.
• Styled Components
• Better Styled Components - Auto fixable ESlint's rules for styled components.
• styled-components-a11y - A11y for Styled Components.

Deprecation

• deprecate - Mark functions or modules as deprecated and get lint messages when they are used.
• deprecation - Identifies use of jsdoc @deprecated functions.
• disable - Disable specified plugins using file path patterns and inline comments.

Embedded

• HTML - Linting for JavaScript inside of HTML <script> tags.
• Markdown - Linting for JavaScript inside of Markdown.

Frameworks

• AngularJS - Linting rules to adhere to the John Papa's AngularJS Styleguide.
• Backbone - Linting rules for Backbone.
• Custom Elements - Rules by GitHub for Custom Elements.
• Ember - Linting rules for Ember.
• Hapi - Linting rules for hapi.
• Meteor - Meteor specific linting rules.
• React
• JSX a11y - Accessibility rules on JSX elements.
• React - Linting rules for React and JSX.
• React Hooks - Linting rules for React Hooks.
• React Native - React Native specific linting rules.
• React-Redux - React-Redux specific linting rules.
• Svelte - Linting rules for Svelte v3 Components.
• Vue
• VueJS - Plugin for VueJS.
• VueJS Scoped CSS - Plugin for Scoped CSS in VueJS.

Languages and Environments

• AssemblyScript - Rules for enforcing restrictions on TypeScript toward AssemblyScript compliance.
• eslint-plugin-eslint-plugin - An ESLint plugin for linting ESLint plugins.
• Coffee - Enables linting CoffeeScript files with, with optional linting rules from the Coffeelint library.
• Flow
• Flow - Flow type linting rules.
• Flow Errors - Run Flow as an ESLint plugin.
• HTML - ESLint plugin for HTML.
• JSON
• JSON - Lint your JSON files.
• JSON, package.json - Lint, format, and auto-fix your JSON files. Sort your package.json.
• JSON with Comments - ESLint plugin for JSON, JSONC and JSON5.
• JSON Schema - Validates data defined in JavaScript, JSON, YAML and TOML using JSON Schema Validator.
• MDX - ESLint Parser/Plugin for MDX.
• Node - Additional ESLint's rules for Node.js.
• SQL - SQL linting rules for ESLint.
• TOML - ESLint plugin for TOML.
• TypeScript - Linting rules for TypeScript.
• YAML - ESLint plugin for YAML.

Libraries

• GraphQL
• dotansimha/graphql-eslint - Validates, prettifies and checks your GraphQL operations and GraphQL schema for best-practices.
• apollostack/eslint-plugin-graphql - Check your GraphQL query strings against a schema.
• TypeGraphQL - Linting rules for TypeGraphQL, targeted at finding common mistakes.
• jQuery - Linting rules for jQuery, including versioned configs for deprecated features.
• JSDoc - Linting rules for JSDoc comments (including the JavaScript within @example).
• Lodash
• Lodash - Lodash specific linting rules.
• Lodash/fp - Lodash/fp specific linting rules.
• Lodash template - Plugin for Lodash template/Underscore template.
• Microtemplates (Used in Lodash and Underscore.js)
• Mongodb - Mongodb native Node.js driver linting rules.
• Ramda - Ramda specific linting rules.
• RequireJS - Linting rules for RequireJS.

Misc

• Diff - Run ESLint on your changed lines only. Also supports CI!
• Notice - An eslint rule that checks the top of files and fixes them too!
• Only-Error - Convert all rules to errors.
• Only-Warn - Convert all rules to warnings.
• PutOut - an ESLint plugin integrates putout linter into ESLint.
• TypeLint - Introduces types, based on existing schemas (Swagger, Redux) and linting access to object properties, preventing undefined errors.
• Woke - Helps catch insensitive words, promoting an inclusive codebase.

Practices and Specific ES Features

• array-func - Avoid redundancy when using es2015 array methods and functions.
• arrow functions - ESLint rules to ensure proper arrow function definitions.
• Babel - Adds replacements for built-in rules to include Babel features.
• boundaries - Ensures that your architecture boundaries are respected by the elements in your project checking file structure and dependencies.
• ESLint Comments - Best practices about ESLint directive comments (/*eslint-disable*/, etc.).
• eslint-plugin-write-good-comments - Enforce good writing style in comments.
• fp - ESLint rules for functional programming.
• functional - ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.
• Immutable - Disable all mutation in JavaScript.
• import - Linting of ES2015+ import/export syntax, and prevent issues with misspelling of file paths and import names.
• new-with-error - Require errors to be thrown using new.
• no-constructor-bind - Encourages use of class properties by reporting use of this with bind or setting state in constructors.
• no-inferred-method-name - Custom rule for ESLint that checks for inferred method names within object literals.
• no-loops - It's 2019 and you still use loops?
• no-restricted-syntax - Show queried syntax's content in messages.
• no-use-extend-native - Prevent using extended native objects.
• Promise - Best practices when working with promises.
• pure - Enforce pure functions (without side effects).
• RegExp - ESLint plugin for finding regexp mistakes and style guide violations.
• sort-keys-fix - Adds fixer for ESLint sort-keys rule.
• this - Write pure functions, don't allow this.
• toplevel - An eslint plugin for disallow side effect at module toplevel.

Performance

• clean-regex - JavaScript regex linter that aims to help write better regular expressions by pointing out errors and suggesting improvements.
• DOM
• Optimize Regex - Optimize regex literals.
• Perf-Standard plugin and Config

Security

• no-secrets - An eslint plugin that detects potential secrets/credentials.
• no-unsanitized - Checks for innerHTML, outerHTML, etc.
• pii - Checks and enforces PII Compliance of the code. i.e. no email address, birth date, IP address or phone number in comments or string literals.
• ScanJS config and plugin - Security-related rules.
• Security - ESLint rules for Node Security.
• xss - Tries to detect XSS issues in codebase before they end up in production.

Style

• const case - Enforce capitalization of constant primitive literals.
• editorconfig - Derive rules from .editorconfig.
• filenames - Ensure consistent filenames for your JavaScript files.
• Simple import sort - Easy autofixable import sorting.
• Switch case - Switch-case-specific linting rules for ESLint.
• padding - Allows/disallows padding between statements.

Testing Tools

• AVA - Linting rules for AVA.
• Chai
• expect practices
• with unused expressions
• permitted keywords
• with chai-as-promised plugin
• globals
• Cucumber - Linting rules for Cucumber.
• Cypress - Linting rules for Cypress.
• Jasmine - Linting rules for Jasmine.
• Jest
• Enforcing practices - Linting rules for Jest.
• Enforcing consistent formatting - Formatting rules for Jest.
• Jest-async - Async linting rule for Jest.
• Jest-DOM - Linting rules for Jest-DOM.
• Mocha
• Enforcing practices - Linting rules for Mocha.
• Enforcing manageability
• QUnit - Linting rules for QUnit.
• TestCafe-Community - TestCafe linting rules with env globals (fork from TestCafe globals).
• Testing Library - Linting rules for Testing Library.

Parsers

• Babel - Use Babel's parser for linting all Babel features.
• TypeScript - A TypeScript parser that produces output compatible with ESLint.
• BrightScript - BrightScript plugin for Roku development. Includes Parser and Rules.
• GraphQL - Parser for the GraphQL AST. Includes parser, plugin, processor (for non-graphql files) and rules.

Formatters

• badger - Make SVG-based badges summarizing ESLint results (e.g., for use on a README).
• git-log - ESLint Formatter featuring Git Author, Date, and Hash.
• github - See ESLint errors and warnings directly in pull requests.
• gitlab - Output ESLint results in the GitLab code quality results.
• mo - Good-lookin' ESLint formatter and also for delightful reading experience.
• SARIF - Generate a results in a SARIF format so it can be imported into tools like GitHub Advanced Security.
• summary-chart - Format ESLint output into a bar chart.

Globals

• Restricted Globals - Expect window qualifier on globals that may otherwise be confusable as local variables.
• ES and browser globals (originally from ESLint)
• chai globals
• TestCafe globals - fixture & test globals for TestCafe.

Tools

• eslint-define-config - Provide a defineConfig function for .eslintrc.js files.
• es-file-traverse - Obtain a list of only those files which are in use based on imports and/or requires from an entry file or files; list passable to ESLint. Intended esp. for linting 3rd party dependencies.
• eslint-find-rules - Find built-in ESLint rules you don't have in your custom config.
• eslint-index - CLI for finding and managing rules in ESLint config files.
• eslint-interactive - The CLI tool to fix huge number of ESLint errors.
• eslint-multiplexer - Multiplex eslint results and merge results for common files.
• eslint-nibble - Ease into ESLint, by fixing one rule at a time.
• eslint-rule-documentation - Find the url for the documentation of an ESLint rule.
• eslint-watch - Run ESLint with watch mode.
• codacy-eslint - Docker used at Codacy to run ESLint.
• esprint - Run ESLint across multiple threads.
• generator-eslint - Generate ESLint plugin and rules with Yeoman.
• editor-info - Detect whether one is within an editor/IDE and which type, allowing one to tweak ESLint configuration accordingly.
• eslint-dashboard - Interactive ESLint workflow that lives in your terminal.
• eslint-remote-tester - CLI tool for testing given ESlint rules against multiple repositories at once.

Developing for ESLint

• eslint-docs - Keep your rule descriptions up-to-date across the repository.

Tutorials

• Creating an ESLint Plugin - Article walking through the creation of an ESLint rule and plugin.
• Lint Like It's 2015 - Article walking through the benefits of using ESLint.
• Linting JavaScript with ESLint - Video showing ESLint setup and basics.
• Linting React JSX with ESLint (in ES6) - Video showing how to use React and JSX with ESLint.
• Plugin Module with Mixins - Article on how to write a plugin as a node module containing modular mixin configuration.
• Writing a rule to spot undeclared props hiding in plain sight - Article about creating rules that require scope analysis.

Installation and Setup

• Lintier - CLI to quickly scaffold an ESLint & Prettier setup in a TypeScript project.

Awesome FP JS

This is a curated list of awesome functional programming code and learning resources for JavaScript. As a multi-paradigm programming language, JavaScript can be written in many styles. With these resources we want to help you to make better use of JavaScript’s support for writing programs in a functional way.

Functional programming is a style of programming which models computations as the evaluation of expressions. Contrast this with imperative programming where programs are composed of statements which change global state when executed. Functional programming typically avoids using mutable state and favors side-effect free functions and immutable data instead. This encourages writing composable and declarative programs that are easy to reason about.

Table of Contents

• Libraries
• Data Structures
• Algebraic Data Types
• Lenses
• Functional Languages that Compile to JavaScript
• Programming Tools
• Resources
• Books
• Articles
• Videos
• Examples and Exercises
• Community
• Contribution

Tags

These may be appended to entries. Each should be preceded by a "+" or "-" to indicate presence or absence of the tag's meaning. "-" tags should only be included when they are likely to help someone filter libraries for their needs. For instance, -TS tags are probably useful for Typescript users screening for types, but -CT tags would be less likely to be helpful to anyone.

• CT. Category Theory. This library appears to be inspired by Haskell, Scala, or another functional language's library with a grounding in Category Theory.
• TS. Typescript. This library has typescript types.

Libraries

• Ramda – A practical functional library for JavaScript that is designed specifically for a functional programming style. A style that makes it easy to create functional pipelines and never mutates user data. +TS.
• Ramda Adjunct is a community-maintained extension of Ramda.
• Ramda-extension is set of utility point-free functions composed only from Ramda functions.
• Rambda - A faster alternative to Ramda in under 10kB.
• Rambdax - Extended version of Rambda
• Folktale – A standard library for functional programming in JavaScript. Typescript support expected mid-2020. -TS.
• lodash/fp – An instance of Lodash with its methods wrapped to produce immutable, auto-curried, iteratee-first, data-last methods. +TS.
• functional.js – A lightweight functional JavaScript library that facilitates currying and point-free / tacit programming.
• 101 – A modern and modular JavaScript utility library made to work well with vanilla JavaScript methods. -TS
• fnuc – A functional library for CoffeeScript (and JavaScript) to facilitate functional composition and higher order functions.
• barely-functional – A tiny (2.7kb) functional programming library using native ES5/6 operations. -TS.
• bluebird-promisell - A practical functional programming library for promises.
• prelude.ls – A functionally oriented utility library somewhat based off of Haskell's Prelude module. -TS.
• preludejs - Hardcore Functional Programming for JavaScript. -TS.
• 1-liners – Functional tools that couldn’t be simpler. A dead simple functional utility belt, hand-crafted with love and attention. -TS.
• fn-curry – A simple function to curry a function.
• curry – Curry your functions using function bind syntax.
• compose-function – Compose a new function from smaller functions.
• functionize – A collection of functions which aid in making non-functional libraries functional.
• lambdajs – The full ECMAScript API done a functional way.
• fp-dom – Making the DOM functional.
• react-on-lambda - Replace JSX in React with functions (currying, compositions and etc).
• trifl – A functional user interface library with unidirectional dataflow and a virtual dom.
• funcy – An experiment in adding functional pattern matching to JavaScript. Experimental :triangular_flag_on_post:
• date-fp – A functional utility library for working with JavaScript dates. All functions in date-fp are pure, autocurried and will not mutate the date objects they are applied to.
• js-joda – An immutable date and time library that provides a simple, domain-driven and clean API based on the ISO8601 calendar.
• _part_ – A micro library that encourages functional programming by making native methods available as partially applied functions.
• claire – A property-based testing library for clearly specifying code invariants and behaviour.
• FPO.js – FP library for JavaScript by Kyle Simpson (aka getify). Supports named-argument style methods.
• Javascript Parser Combinator – Javascript parser combinator implementation inspired by the Haskell's Parsec
• fun-task – An abstraction for managing asynchronous code in JS. Tasks are similar to Promises with the key difference that Tasks can represent a computation while Promises can represent only the results of a computation. Ships with Flow type definitions.
• most – Ultra-high performance reactive programming to help you compose asynchronous operations on streams of values and events without many of the hazards of side effects and mutable shared state.
• zen-signals – ☯ The simplest signal library possible
• funfix – Funfix is a library of type classes and data types for Functional Programming in JavaScript, TypeScript and Flow. +CT, +TS.
• pico-lambda - Arrays, Strings and things the functional way. A 640b functional library based on native methods. -TS.
• pareto-js - An extremely small, intuitive and fast functional utility library for JavaScript -TS.
• fpEs - A small library provides simple usages of basic FP & pattern-matching/sumtype & MonadIO/Rx & Optional for Javascript. -TS.
• Creed – Sophisticated and functionally-minded async with advanced features: coroutines, promises, ES2015 iterables, fantasy-land. -TS.
• TGrid - Grid Computing Framework, Network & Thread extension of TSTL, supporting RFC (Remote Function Call). +TS.
• Ferrum – Iterator library with support for objects as iterables, lazy evaulation andpipe(); implements Traits (from Rust)/Type Classes (from Haskell) in JS. -TS.
• fp-ts - Typed functional programming in TypeScript. +CT, +TS.
• iter-tools - a rich toolset for working with iterables, both sync and async. +TS.
• remeda A function library roughly subsetting Ramda, but written in Typescript and thus more type-friendly. +TS.
• futil-js - A collection of functional utilities that could conceivably be part of a library like lodash/fp, but for some reason or other are not.
• rubico - 🏞 [a]synchronous functional syntax
• rocket-pipes - Powerful pipes, that chain Promise and ADT like Maybe or Either from popular FP libraries. +TS
• omg-curry - Comprehensive Curry Library with Operator Curry, Curry from functions, Decurry and Infifnite Curries.
• lfi - A Lazy Functional Iteration Library Supporting Sync, Async, and Concurrent Iteration.
• ts-multimethod - TypeScript multimethods inspired by Clojure multimethods. +TS
• ts-fp-di - Tiny TypeScript functional dependency injection, based on Node.js AsyncLocalStorage. +TS
• effect-ts – A Fully-fledged functional effect system for typescript with a rich standard library. +TS
• qio – A type-safe, functional, performant, lawful, composable data structure that solves practical problems of effect-full code in node and browser. +TS
• Ditox.js - Powerful dependency injection container for building modular apps. +TS
• RxEffects - Reactive state and effect management with RxJS. +TS
• fxts - Lazy evaluation and concurrency. +TS
• ts-belt - Fast, modern, and practical utility library for FP in TypeScript. (Uses a data-first approach like remeda, but is faster than remeda, ramda, rambda, and lodash/fp.)

Data Structures

Write performant functional code by using the right data structures for the task.

• Icepick Utilities for treating frozen JavaScript objects as persistent immutable collections
• Immutable.js – Immutable persistent data collections.
• Immer – Immer is a tiny package for immutable state based on copy-on-write mechanism. +TS.
• Mori – ClojureScript’s persistent data structures and supporting API from the comfort of vanilla JavaScript.
• Baobab – persistent and optionally immutable data tree with cursors.
• immutable-sequence.js – High performance implementation of Immutable Sequence in JavaScript, based on Finger Trees.
• Timm – Immutability helpers with fast reads and acceptable writes.
• Lazy.js – A utility library with a lazy engine under the hood that strives to do as little work as possible while being as flexible as possible.
• DerivableJS – Functional Reactive State for JavaScript and TypeScript. DerivableJS enables you to make elegant declarative statements about how your bits of state are related. +TS.
• imlazy – Library for creating and manipulating lazy iterables using the ES2015 iteration protocols.
• collectable – Super high-performance immutable data structures for modern JavaScript and TypeScript applications. +TS.
• List - An extremely fast immutable list with a comprehensive functional API.
• prelude.ts - Immutable persistent collections, functional constructs such as Option and Either, and combinators. Implemented in Typescript but supports javascript too. +CT, +TS.
• TSTL - C++ STL (Standard Template Library) is implemented in TypeScript. STL Containers, iterators, algorithms and functors, that following functional programming rule, are provided. +TS.

Algebraic Data Types

Use the laws of math instead of always reinventing your own thing. Algebraic!

• Fantasy Land – Not a library, but a specification of the Monad laws for libraries to follow.
• Static Land – Specification similar to Fantasy Land but based on static methods rather than instance methods.
• immutable-ext – FantasyLand extensions for Immutable.js.
• daggy – Library for creating tagged constructors.
• Sanctuary – Sanctuary makes it possible to write safe code without null checks. +CT, +TS.
• monet.js – A library that assists functional programming by providing a rich set of Monads and other useful functions. +CT, +TS.
• union-type – A small JavaScript library for defining and using union types.
• freeky – A collection of Free monads.
• Fluture – A Future library with included control utilities, high performance and great error messages.
• fantasy-combinators – Common combinators.
• fantasy-birds – Port of the Haskell package Data.Aviary.Birds. Everything for your combinatory needs.
• crocks – A collection of popular Algebraic Data Types with the main goal to curate and provide not only a common interface between each type, but also all of the helper functions needed to hit the ground running. -TS.
• kudo-js - A small utility library with a set of Algebraic Data Types and Helper functions to help you write code in a functional programming style in Javascript
• purify - Functional programming library for TypeScript focusing on ADTs. +CT, +TS.
• MojiScript- an async-first, opinionated, and functional language designed to have 100% compatibility with JavaScript engines
• Pratica - Small, simple, easy FP data types for pragmatic and productive developers who need to ship reliable code fast. +CT, +TS.
• Tifi - Tifi is a library for functional programming in TypeScript. It solves a problem of the existence of both undefined and null. Tifi is inspired by the OCaml/Reason utilities for the option data type. +CT, +TS.

Lenses

• lenses – Composable kmett style lenses.
• optics – Profunctor optics (Lens, Prism, iso).
• ramda-lens – :ram: :mag_right: Lens library built on Ramda.
• fantasy-lenses – Composable, immutable getters and setters. (Profunctor lenses WIP)
• nanoscope – Lenses with dotty support.
• partial.lenses – Partial lenses is a comprehensive, high-performance optics library for JavaScript.
• shades – A lodash-inspired lens-like library for Javascript.

Functional Languages that Compile to JavaScript

• ClojureScript – Compiles Clojure, a hosted Lisp with immutable persistent data structures, to JavaScript.
• Elm – A type-safe functional programming language for declaratively creating web browser-based graphical user interfaces. Implemented in Haskell.
• Fable - Compiles F# to readable JavaScript.
• PureScript – A small strongly typed programming language that compiles to JavaScript.
• Idris – A general purpose pure functional programming language with dependent types.
• GHCJS – Haskell to JavaScript compiler, based on GHC.
• ElixirScript – Compiles a subset of Elixir, a dynamic, functional language designed for building scalable and maintainable applications, to JavaScript.
• Js_of_ocaml – Compiles OCaml bytecode to JavaScript, making it possible to run OCaml programs in the browser.
• Reason – Reason is a new interface to OCaml, a highly expressive dialect of the ML language featuring type inference and static type checking.
• ReScript – (previously known as Bucklescript) ReScript is a type-safe language that compiles to the highest quality of clean, readable and performant JavaScript code.
• Scala.js – Compiles Scala to JavaScript.
• LiveScript – LiveScript has a straightforward mapping to JavaScript and allows you to write expressive code devoid of repetitive boilerplate.
• Quack - A multi-paradigm programming language with gradual and duck typing that targets PHP and JS.
• ion - no BS JS
• RamdaScript - A Lisp that compiles to opinionated JavaScript on top of RamdaJS
• RacketScript – RacketScript aims to leverage both JavaScript and Racket's ecosystem, and make interoperability between them clean and smooth.
• Koka – Koka is a function-oriented programming language that seperates pure values from side-effecting computations with a familiar JavaScript like syntax.
• TypeScript - TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.
• Gleam - Gleam is a typed, functional language that compiles to Erlang and JavaScript.

Programming Tools

• eslint-plugin-fp - ESLint rules for functional programming
• 4.5 – A functional assertions library. If you prefer functional style APIs and practices in JavaScript, this library aims to solve this with functionally-oriented assertions that are lazy and monadic.
• hm-def – Runtime type checking for JS with Hindley Milner signatures.
• ftor - A pluggable runtime type checker and functional debugging tool that supports parametric and row polymorphism, implicit rank-2 types and algebraic data types via Scott Encoding.

Resources

Books

• Professor Frisby’s Mostly Adequate Guide to Functional Programming – This is a book on the functional paradigm in general using the world’s most popular functional programming language: JavaScript. It’s a practical introduction that builds up intuition through real-world examples. Strongly recommended. By Brian Lonsdorf (2016)
• Functional-Light JavaScript – This book explores the core principles of functional programming (FP) that can be applied to JavaScript. But what makes this book different is that it approaches these principles without all the heavy terminology.
• JavaScript Allongé, the “Six” edition. Starts with as little as possible about functions – but no less! – and builds up towards powerful combinators and decorators. A foundational book. By Reginald Braithwaite (2016)
• Functional Programming in JavaScript teaches JavaScript developers functional techniques that will improve extensibility, modularity, reusability, testability, and performance. Through concrete examples and jargon-free explanations, this book teaches you how to apply functional programming to real-life development tasks. By Luis Atencio (2016)
• Eloquent JavaScript. A modern introduction to programming using JavaScript. By Marijn Haverbeke (2014)
• Functional JavaScript teaches how to create code that’s beautiful, safe, and simple to understand and test by using JavaScript’s functional programming support. By Michael Fogus (2013)
• Grokking Simplicity teaches functional programming from first principles. It uses JavaScript for all code examples and it uses real-world scenarios. By Eric Normand (2019)
• scriptum - a no-frills functional programming library and a online course based on it

Articles

• FP Concepts in JavaScript – An introduction to Functional Programming Concepts in JavaScript. Uses the Ramda library to teach the concepts of composition, pointfree style, and functors through the simplest of examples.
• Functional programming with JavaScript – Another introduction to Functional Programming in JavaScript with a focus on three key themes: computation as the application of functions, statelessness, avoiding side effects.
• A gentle introduction to functional JavaScript – A four-part series introduction functional programming in JavaScript that gets you up to speed what all the hype about functional programming is all about.
• Functors from first principle - explained with JS - Explaining functors concept using JavaScript.
• Why Curry Helps – A short overview of how to write reusable and declarative code using currying.
• Favoring Curry - Practical applications of currying using Ramda.
• Functional Mumbo Jumbo – ADTs – A beginner-friendly introduction to Algebraic Data Types.
• JavaScript and Type Thinking – Learn to reason about your JavaScript code with type thinking. Algebraic Data Types are introduced as a conceptual basis to reason about program entities.
• Lazy, composable, and modular JavaScript – Use four new features of ES6 – iterables, generators, fat arrows, and for-of – in conjunction with higher-order functions, function composition, and lazy evaluation, to write cleaner and more modular JavaScript.
• Why Ramda – To those not used to functional programming, Ramda seems to serve no purpose whatsoever. However, it does offer a different style of coding, a style that’s taken for granted in purely functional programming languages: Ramda makes it simple for you to build complex logic through functional composition.
• Monads in JavaScript – An introduction to the Monad design pattern in JavaScript.
• A Monad in Practicality: First-Class Failures – A walk through some practical use cases for specific monadic structures in JavaScript: use the Maybe monad to handle simple failure cases and model more complex scenarios with the Either monad or the Validation applicative functor.
• Functional programming – Many articles on various aspects of functional programming in JavaScript by Gleb Bahmutov.
• Functional Programming Jargon – Jargon from the functional programming world explained in JavaScript.
• Data Structures in JavaScript – A series of blog posts that reimplements various data structures in JavaScript to better understand their benefits and downsides.
• So You Want to be a Functional Programmer - Easy to understand, with some examples, introduction to Functional Programming in Javascript and Elm.
• Functional Programming for JavaScript People - A complete introduction to functional programming patterns by Chet Corcos with a lot of javascript examples.
• Introduction to Immutable.js and Functional Programming Concepts - Learn about functional data structures and their uses in this overview of Facebook's popular library for JavaScript: Immutable.js.
• Master the JavaScript Interview: What is Functional Programming? - A simple introduction by @ericelliott to functional principles and vocabulary.
• Composing Software - A series of articles on learning functional programming and compositional software techniques in JavaScript ES6+ from the ground up by @ericelliott.
• Anonymous Recursion in JavaScript - Short and easy to understand article about implementing anonymous recursion in JavaScript.
• Functional Composition in Javascript – Step by step explanation of how to compose functions in javascript.
• Functional Programming Principles in Javascript - Practical code examples to learn functional programming concepts like pure function, immutability, first-class entities, and higher order functions
• Basic Monads in Javascript - Introduction to 2 easy monads in Javascript, Maybe & Either.
• F# for JavaScript Devs - Showcasing the similarities between F# and JavaScript
• A practical guide to writing more functional Javascript - A step by step guide to convert imperative JavaScript to more declarative, functional JavaScript.
• You don't (may not) need loops ➿ - Loops are one of the first constructs that junior programmers learn, but they can pose many potential issues in the software development process, and could be avoided in many cases.

Videos

• Classroom Coding with Prof. Frisby – A series that builds a “practical” web application with React and functional programming in JavaScript.
• Hey Underscore, You're Doing It Wrong! – Underscore.js claims to be a functional programming library, but is it really?
• Functional programming patterns for the non-mathematician – Learn about practical use cases for functors, applicatives, and monads.
• Pure JavaScript – Christian Johansen will show you how you can significantly up your game by leaving loops behind and embracing functions as the primary unit of abstraction.
• Functional programming in JavaScript - A series by Mattias Petter Johansson, from the youtube channel FunFunFunction, that is specifically about popularization of functional programming in JavaScript.
• Anjana Vakil: Learning Functional Programming with JavaScript - JSUnconf 2016 - A simple and understandable introduction of functional proramming in javascript.
• Functional Programming Basics In ES6 - A complete introduction to functional programming in javascript made it easy by ES6.
• JavaScript Programmers Should Learn Algebraic Data Types -- May 2018 -- UtahJS Lehi - Seth House explains how ADTs (Algebraic Data Types) can be useful to JavaScript developers.

Examples and Exercises

• FPJS-Class – Functional Programming learned through JavaScript.
• functional-javascript-workshop – The goal of this workshop is to create realistic problems that can be solved using terse, vanilla, idiomatic JavaScript to teach fundamental functional programming features of JavaScript.
• functional-frontend-architecture – A functional frontend framework. Based on Ramda + union-type-js + Flyd + Snabbdom
• cube-composer – A puzzle game inspired by functional programming.
• FP Youtube Search – YouTube search app with ReactJS, Redux, and FP concepts
• Hardcore Functional Programming in JavaScript – Learn to apply techniques from the forefront of computer science research to solve practical problems in Javascript. Discover functional programming and see it demonstrated step-by-step with how to build an example web app using abstract interfaces like Monads, Functors, Monoids and Applicatives. (commercial)
• Escape from Callback Mountain - Design & refactoring tips for Promise-based Functional JavaScript. Key benefits include better readability, testability, and reusability. MIT.
• Functional Programming for Beginners – Dozens of exercises with solutions and explanations.
• Learn Rx – A series of interactive exercises introducing five basic ingredients of functional (reactive) programming: the map, filter, concatAll, reduce, and zip functions.
• Holdem Evaluator - Yet another Holdem Evaluator with Ramda functional style

Community

Related Lists

• Awesome FRP JS – A curated list of awesome (functional) reactive programming stuff in JavaScript.
• lucasviola/Awesome Functional Programming – Awesome resources on functional programming theory and learning materials.
• xgrommx/Awesome Functional Programming – A ton of articles on functional programming, as well as a huge list of functional libraries for many programming languages.
• Functional Programming Resources In JavaScript
• tk-learning-center/Functional Programming Learning Path - A Learning Path for Functional Programming

Talk

• Functional Programming Slack channel – Community with a friendly channel for JavaScript as well as many other channels about functional programming in general.

Contribution

:star: Suggestions and PRs are welcome! :star:

Please read the contribution guidelines to get started.

License

To the extent possible under law, Christoph Hermann has waived all copyright and related or neighboring rights to this work.

Awesome Observables

An Observable is a collection that arrives over time. Observables can be used to model push-based data sources such as events, timer intervals, asynchronous requests, and animations. Observables can be transformed, combined, and consumed using array-like methods.

Please read the contribution guidelines before contributing.

Contents

• Documentation
• Implementations
• Packages
• Libraries
• Articles
• Videos
• Related

Documentation

• Overview
• Specification

Implementations

• zen-observable
• RxJS

Packages

• ObservableLike - TypeScript type.
• any-observable - Support any Observable library and polyfill.
• is-observable - Check if a value is an Observable.
• observable-to-promise - Convert an Observable to a Promise.
• stream-to-observable - Convert a Node.js stream into an Observable.
• symbol-observable - Symbol.observable ponyfill.
• obsify - Observableify a callback-style function.
• localForage-observable - Observables for localForage.

Libraries

These are libraries that harness the power of Observables, not necessarily spec compatible Observable implementations.

• Cycle.js - A functional and reactive JavaScript framework for cleaner code.

Articles

• The introduction to Reactive programming you've been missing - Reactive programming using Observables.
• Everywhereness as a foundation - Benefits of using Observables everywhere.
• Learning Observable By Building Observable (Updated 2021-07-08)

Videos

• Introducing the Observable - Egghead.io lesson.

Related

• awesome-nodejs

Awesome npm scripts

Everything awesome for using npm as a build tool.

You might also like awesome-npm.

Notice: I'm currently too busy to actively expand this list; therefore, I've decided to make this an OPEN Open Source Project. Individuals making significant and valuable contributions are given commit-access to the project to contribute as they see fit.

Contents

• Articles
• Videos/Talks
• Task Runners
• File Watchers
• Dev Servers
• Cross-platform Utilities
• Utility Packs
• Other Utilities
• Miscellaneous
• Cross-platform Shell Reference
• npm run Reference

Articles

• Why we should stop using Grunt & Gulp - Blog post by Keith Cirkel.
• How to Use npm as a Build Tool - Sequel to Why we should stop using Grunt & Gulp.
• Why I Left Gulp and Grunt for npm Scripts - Article by Cory House.
• Helpers and tips for npm run scripts - Blog post by Michael Kühnel covering advanced topics.

Videos/Talks

• Advanced front-end automation with npm scripts - Talk at Nordic.js 2015 by Kate Hudson.
• How to create a build system with npm scripts - Video tutorial series on setting up a front-end build system.

Task Runners

Tools for running multiple commands or npm scripts in parallel or sequentially.

• script-runner - Simple task runner with a terse syntax.
• npm-run-all - Fully featured task runner.
• redrun - Expand scripts from package.json to improve execution speed.

File Watchers

Tools to watch your source files and run a build command whenever any of the files change.

• onchange - onchange <glob> -- <command>.
• watch - watch <command> <directory>.

Dev Servers

• http-server - Simple zero-configuration command-line http server.
• live-server - Simple development http server with live reload capability.

Cross-platform Utilities

Utilities to perform common command-line tasks without worrying about cross-platform compatibility.

• rimraf - Delete files or directories; like rm -rf.
• del-cli - Safer file and folder deletion.
• mkdirp - Create a directory, creating parent directories if needed; like mkdir -p.
• cpr - cp -r for Node.js.
• cpy-cli - File/directory copying/renaming.
• copyfiles - Copy a list of files into a directory.
• sync-files - rsync-like directory syncing with watch mode.
• echo-cli - Cross-platform echo with JS escape sequence support.
• clear-cli - Clear the terminal.
• cross-env - Set environment variables for scripts, unix-style.
• cross-os - Run platform-specific npm scripts.
• ntee - Utility that reads from standard input and writes to standard output and files; like Unix tee.
• catw - Print a file to stdout, with optional watch mode; sorta like Unix cat.

Utility Packs

• shx - Collection of common Unix utilities implemented in Node.js; example usage: shx rm somefile.

Other Utilities

• hashmark - Take contents of a file and output as new file with a hash in the name.
• gzip-size-cli - Get the gzipped size of a file or stdin.
• opn-cli - Open websites, files, executables, etc. with the user's preferred application.
• headr - Add header / banner info to a file.
• Bower files CLI - Get main bower files on the command line.
• cli-error-notifier - Send native desktop notifications when npm scripts fail.

Miscellaneous

• screwy - The npm scripts GUI.
• Forrest - npm scripts desktop client.
• run-npm - Run locally-installed node module executables. Useful for debugging npm scripts.
• npm-quick-run - Quickly run npm scripts by prefix without typing the full name.
• edit-script - Edit npm scripts from the command line without worrying about JSON escaping.
• ntl - Interactive cli menu to list and run npm scripts.

Cross-platform Shell Reference

A quick reference of the shell operators & commands that work the same on Unix and Windows.

• Use && to run commands in sequence. If a command fails, the script exits.
• Use | to pipe the stdout of one command into the stdin of the next. (do-something | something else)
• Use > to write the stdout of a command to a file. (do-something > file)
• Use < to send the contents of a file to a command's stdin. (command < file)
• Use cd <dir> to change the current working directory to <dir>. Note that cd alone prints the current working directory on windows, but changes the working directory to ~ on *nix.

npm run Reference

You can use npm run-script or npm run; they both do the same thing, but npm run is shorter.

• Run just npm run to print a list of scripts.
• Running npm run script (where script is the name of your script) will run prescript, script, and postscript; in that order.
• You can't nest pre and post hooks (i.e. preprescript won't work).
• You can pass arguments to your scripts by passing -- to npm run, followed by the arguments. Example: Given the script "mocha": "mocha", you can run npm run mocha -- --reporter xunit. This effectively runs mocha --reporter xunit.
• Running npm test is the same as running npm run test. The same applies to npm start and npm stop.
• You can run npm run <script> -s to silence the default npm output (useful for calling a script within another script).

Contributing

See CONTRIBUTING.md.

License

30 seconds of code

Short JavaScript code snippets for all your development needs

• Visit our website to view our snippet collection.
• Use the Search page to find snippets that suit your needs. You can search by name, tag, language or using a snippet's description. Just start typing a term and see what comes up.
• Browse the JavaScript Snippet collection to see all the snippets in this project or click individual tags at the top of the same page to narrow down your search to a specific tag.
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• If you want to help us improve, take a minute to read the Contribution Guidelines first.
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Credits

• This repository is maintained by the 30 seconds of code organization on GitHub.
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Contents

• Articles
• Main
• Uncategorised
• Numbers
• Strings
• Objects
• Arrays
• Browser Features
• Node.js Features

Articles

• Polyfills or Ponyfills?

Main

• ⭐️ core-js-pure - The entire standard library.

Uncategorised

• es6-promise - Promise
• es6-map - Map
• es6-weak-map - WeakMap
• es6-set - Set
• es6-symbol - Symbol
• named-regexp-groups - RegExp
• globalthis - globalThis

Numbers

• bignumber.js - BigInt
• number-is-nan - Number.isNaN
• is-finite - Number.isFinite
• is-integer - Number.isInteger

Strings

• indexof - String.prototype.indexOf
• string.prototype.trim - String.prototype.trim
• string.prototype.trimleft - String.prototype.trimStart
• string.prototype.trimright - String.prototype.trimEnd
• string.prototype.replaceall - String.prototype.replaceAll

Objects

• object.fromentries - Object.fromEntries
• object.entries - Object.entries
• object-keys - Object.keys
• object.values - Object.values
• object-assign - Object.assign
• object-is - Object.is
• json3 - JSON

Arrays

• array-from - Array.from
• array.prototype.every - Array.prototype.every
• array.prototype.find - Array.prototype.find
• array.prototype.some - Array.prototype.some
• array.prototype.flatmap - Array.prototype.flatMap
• array-map - Array.prototype.map
• array-foreach - Array.prototype.forEach
• array-includes - Array.prototype.includes
• indexof - Array.prototype.indexOf.
• isarray - Array.isArray

Browser Features

• cross-fetch - fetch
• cross-blob - Blob
• cross-formdata - FormData
• abortcontroller-polyfill - AbortController
• @fastly/performance-observer-polyfill - PerformanceObserver
• performance-now - performance.now
• console.table - console.table
• webbluetooth - Bluetooth
• resize-observer-polyfill - ResizeObserver
• webcrypto-shim - crypto
• css-vars-ponyfill - CSS variables/custom properties
• raf - requestAnimationFrame
• xhr2 - XMLHttpRequest

Node.js Features

• events - EventEmitter
• tickedoff - setImmediate
• buffer-from - Buffer.from
• cross-exit - process.exit
• next-tick - process.nextTick

Awesome Swift

| iOS App | Awesome | Linux | Projects | Updated | :-: | :-: | :-: | :-: | :-: | | | :penguin: | 1080 | March 08, 2022

Contents

• Guides
• Newsletter
• Official Guides
• Style Guides
• Third party Guides
• Boilerplates
• REPL
• Editor Support
• Emacs
• Google Colaboratory
• Vim
• Benchmark
• Converters
• Other Awesome Lists
• Dependency Managers
• Patterns
• Misc
• Libs
• Accessibility
• AI
• Algorithm
• Analytics
• Animation
• API
• App Routing
• App Store
• Audio
• Augmented Reality
• Authentication
• Bots
• Cache
• Chart
• Chat
• Colors
• Command Line
• Concurrency
• Currency
• Data Management
  • CBOR
  • Core Data
  • CSV
  • Firebase
  • GraphQL
  • JSON
  • Key Value Store
  • MongoDB
  • Multi Database
  • ORM
  • Other Data
  • Realm
  • SQL drivers
  • SQLite
  • TOML
  • XML
  • YAML
  • ZIP
• Date
• Dependency Injection
• Device
• Documentation
• Email
• Embedded Systems
  • Peripherals
• Events
• Files
• Fonts
• Game Engine
  • 2D
• Games
• Gesture
• Hardware
  • 3D Touch
  • Bluetooth
  • Camera
  • Barcode
  • Haptic Feedback
  • iBeacon
  • Sensors
• Images
• Key Value Coding
• Keyboard
• Kit
• Layout
  • Auto Layout
• Localization
• Location
• Logging
• Maps
• Math
• Natural Language Processing
• Network
  • HTML
  • Messaging Protocol
  • SOAP
  • Socket
  • Webserver
• OCR
• Optimization
• PDF
• Quality
• Scripting
• SDK
• Security
  • Cryptography
  • Keychain
• Streaming
• Styling
• SVG
• System
• Testing
  • Mock
• Text
• Thread
• UI
  • Alert
  • Blur
  • Button
  • Calendar
  • Cards
  • Form
  • HUD
  • Label
  • Menu
  • Pagination
  • Payment
  • Permissions
  • StackView
  • Switch
  • Tab
  • Template
  • TextField
  • Transition
  • 3D
  • UICollectionView
  • UITableView
  • Walkthrough
• Utility
• Validation
  • Phone Numbers
• Version Manager
• Video
• Serverless

Guides

An awesome list of Swift related guides.

Newsletter

back to top

• Swift Developments - A weekly curated newsletter containing for people interested in designing and developing their own iOS, watchOS and Apple TV apps.
• Swift Weekly Brief - A multi author curated newsletter.

Official Guides

back to top

• API Design Guidelines - Official Swift API design guidelines.
• Apple eBook - Official Apple eBook for Swift beginners.
• Getting Started - Find information about the how to use the Swift programming language.
• Introducing SwiftUI - Official SwiftUI tutorial with 4+ hours of content and interactive tutorials.

Style Guides

back to top

• Airbnb - Airbnb's Official Style Guide.
• Google - This style guide is based on Apple’s excellent Swift standard library style and also incorporates feedback from usage across multiple Swift projects within Google.
• LinkedIn - LinkedIn's Official Style Guide.
• Raywenderlich - Raywenderlich guide, a must read.

Third party Guides

back to top

• 30 Days of Swift - A cool 30 days tutorial.
• About Swift - A playground about the Swift language.
• Awesome Swift Education - An organized list of essential Swift Language Topics.
• Conferences.digital - Watch conference videos in a native macOS app.
• Developing iOS Apps with Swift - Stanford course by Paul Hegarty.
• Hacking With Swift - Complete training course that teaches app development through 30 hands-on projects, for free.
• Ray Wenderlich Tutorials, Videos, Podcasts and books - High quality programming tutorials.
• Swift Education - A community of educators sharing materials for teaching Swift and app development.
• swift-tips - A series of useful tips by Vincent Pradeilles.
• SwiftDoc - Auto-generated documentation.
• SwiftGuide CN - A Chinese written guide.
• SwiftTips - A collection of useful tips by John Sundell.
• The Swift Web Developer - A publication for Swift Web Developers.
• whats-new-in-swift-4 - An Xcode playground showcasing the new features in Swift 4.0.

Boilerplates

• iOS project template - iOS project template with fastlane lanes, Travis CI jobs and GitHub integrations of Codecov, HoundCI for SwiftLint and Danger.
• Swift Module Template - An opinionated starting point for awesome, reusable modules.

REPL

• Online Swift Playground - Online Swift Playground.

Editor Support

Support for your favorite editors.

Emacs

back to top

• swift-mode - Emacs support, including partial flycheck error support.

Google Colaboratory

back to top

• swift-colab - Run Swift in a browser.

Vim

back to top

• swift-vim - Vim runtime files.
• vim-polyglot - Language pack for vim that includes vim-swift.

Benchmark

• xcprofiler - Command line utility to profile compilation time.

Converters

• Swiftify - Objective-C to Swift online code converter and Xcode extension.
• Zolang :penguin: - A DSL for generating code in multiple programming languages.

Other Awesome Lists

Check out apps on these projects: * Awesome iOS Interview - List of the questions that helps you to prepare for the interview. * awesome-macOS - A curated list of awesome applications, softwares, tools and shiny things for macOS. * example-ios-apps - An amazing list for people who are beginners and learning ios development and for ios developers who need any example app or feature. * open-source-ios-apps - A collaborative list of open-source iOS Apps. * open-source-mac-os-apps - Awesome list of open source applications for macOS.

Dependency Managers

Dependency manager software for Swift. * Accio - A SwiftPM based dependency manager for iOS & Co. with improvements over Carthage. * Carthage - A new dependency manager. * CocoaPods - The most used dependency manager. * Mint - A package manager that installs and runs Swift command line tools. * swift-package-manager - SPM is the Package Manager for the Swift Programming Language.

Patterns

• App Architecture - A sample Code of the App Architecture Book.
• CleanArchitectureRxSwift - Example of Clean Architecture of iOS app using RxSwift.
• Design-Patterns-In-Swift - Design Patterns.
• Reactant - Reactant is a reactive architecture for iOS.
• ReduxUI - Redux framework for easy use with SwiftUI.
• Spin - Provides a versatile Feedback Loop implementation working with RxSwift, ReactiveSwift and Combine.
• StateViewController - Stateful UIVIewController composition — the MVC cure for Massive View Controllers.
• The Composable Architecture - A library for building applications in a consistent and understandable way, with composition, testing, and ergonomics in mind.
• Viperit - Viper Framework for iOS.

Misc

Miscellaneous Swift related projects * Beak - A command line interface for your Swift scripts. * CodableWrappers - A Collection of PropertyWrappers to make custom Serialization of Codable Types easy. * Fugen - A command line tool for exporting resources and generating code from your Figma files. * Model2App - Turn your data model into a working CRUD app. * Surmagic - Create XCFrameworks with ease! A Command Line Tool to create XCFramework for multiple platforms at one shot! iOS, Mac Catalyst, tvOS, macOS, and watchOS. * SwagGen :penguin: - A command line tool for generating a REST API from a Swagger spec based off Stencil templates. * Swiftbrew - Homebrew for Swift packages. * SwiftGen - A suite of tools to auto-generate code for various assets of your project. * SwiftKit - Start your next Open-Source Swift Framework 📦. * SwiftPlate - Easily generate cross platform framework projects from the command line. * Toybox - Xcode Playground management made easy. * Tuist - An open source command line tool to create, maintain and interact with your Xcode projects at scale. * xcbeautify - Little beautifier tool for xcodebuild. * XcodeGen - Tool for generating Xcode projects from a YAML file and your project directory. * xcodeproj - A library to read, update and write Xcode projects and workspaces.

Libs

Here you can find a list of snippets and libs for your Swift projects.

Accessibility

back to top

• Capable - Keep track of accessibility settings, leverage high contrast colors, and use scalable fonts to enable users with disabilities to use your app.

AI

Libs for AI based projects (Machine Learning, Neural Networks etc). back to top

• CoreML-Models - A collection of unique Core ML Models.
• DL4S - Automatic differentiation, fast tensor operations and dynamic neural networks from CNNs and RNNs to transformers.

Algorithm

back to top

• Algorithm - A toolset for writing algorithms and probability models.
• BTree - Fast sorted collections for Swift using in-memory B-trees.
• swift-algorithm-club - Algorithms and data structures, with explanations.
• SwiftLCS :penguin: - implementation of the longest common subsequence (LCS) algorithm.

Analytics

Analytics related libraries to easily track your app usage back to top

• Umbrella - Analytics abstraction layer.

Animation

Libs to help with animation back to top

• Advance - A powerful animation framework for iOS, tvOS, and OS X.
• ChainPageCollectionView - Fancy two-level collection view layout and animation.
• Comets - Animating Particles.
• DKChainableAnimationKit - Easy to read and write chainable animations.
• Ease - Animate everything with Ease.
• EasyAnimation - A library to take the power of UIView.animateWithDuration(_:, animations:...) to a whole new level.
• Elephant - Elegant SVG animation kit.
• FlightAnimator - Natural Blocks Based Core Animation Framework.
• Gemini - Gemini is rich scroll based animation framework.
• IBAnimatable - Design and prototype UI, interaction, navigation, transition and animation for App Store ready Apps in Interface Builder with IBAnimatable.
• Interpolate - Interpolation framework for creating interactive gesture-driven animations.
• Kinieta - An simple Animation Engine for iOS with an Intuitive API and Readable Code.
• lottie-ios - An iOS library to natively render After Effects vector animations.
• Pastel - Gradient animation effect like Instagram.
• Poi - Poi makes you use card UI like tinder UI .You can use it like tableview method.
• Presentation - A library to help you to make tutorials, release notes and animated pages.
• Pulsator - Pulse animation for iOS.
• Sica - Simple Interface Core Animation. Run type-safe animation sequencially or parallelly.
• Spring - A library to simplify iOS animations.
• SpriteKitEasingSwift - Better Easing for SpriteKit.
• spruce-ios - Choreograph animations on the screen.
• Stellar - A Physical animation library.
• TheAnimation - Type-safe CAAnimation wrapper. It makes preventing to set wrong type values.
• ViewAnimator - Brings your UI to life with just one line.
• YapAnimator - Your fast and friendly physics-based animation system.

API

Quick libs to get access to third party API services back to top

• GitHubAPI - Implementation of GitHub REST API v3.
• PXGoogleDirections - Google Directions API helper.
• RandomUserSwift - Framework to Generate Random Users - An Unofficial SDK for randomuser.me.
• reddift - reddit API wrapper.
• Swifter Twitter - Twitter framework.
• SwiftInstagram - Instagram API wrapper.
• Swiftkube :penguin: - Swift client for Kubernetes.
• SwiftlySalesforce - Framework for rapid development of native iOS apps that integrate with Salesforce.
• SwiftyInsta - Private and Tokenless Instagram RESTful API.

App Routing

Internal app routing systems. back to top

• Appz - Launch external apps and deeplink with ease.
• Crossroad - :oncoming_bus: Crossroad is an URL router focused on handling Custom URL Schemes.
• LightRoute - Routing between VIPER modules.
• Linker - Lightweight way to handle internal and external deeplinks for iOS.
• MonarchRouter - Declarative state- and URL-based router. Complex automatic View Controllers hierarchy transitions. Time-tested server-side conventions.
• RxFlow - RxFlow is a navigation framework for iOS applications based on a Reactive Flow Coordinator pattern.
• SwiftCurrent - Manage complex workflows wherever Swift can be built. It comes with built-in support for UIKit, Storyboards, and SwiftUI.
• SwiftRouter - A URL Router for iOS.
• URLNavigator - Elegant URL Routing.

App Store

Libs to help with apple app store, in app purchases and receipt validation. back to top

• Apphud - Lightweight library to easily handle auto-renewable subscriptions with no backend required.
• InAppPurchase - A Simple, Lightweight and Safe framework for In App Purchase.
• merchantkit - A modern In-App Purchases management framework for iOS.
• SwiftyStoreKit - Lightweight In App Purchases framework.

Audio

Libs to work with audio back to top

• AudioKit - Powerful audio synthesis, processing and analysis, without the steep learning curve.
• AudioPlayer - A wrapper around AVPlayer with some cool features.
• AudioPlayerSwift - AudioPlayer is a simple class for playing audio (basic and advanced usage) in iOS, OS X and tvOS apps.
• Beethoven - An audio processing library for pitch detection of musical signals.
• FDSoundActivatedRecorder - Start recording when the user speaks.
• FDWaveformView - An easy way to display an audio waveform in your app.
• ModernAVPlayer - Persistence AVPlayer to resume playback after bad network connection even in background mode.
• MusicKit - A framework for composing and transforming music.
• Soundable - Soundable allows you to play sounds, single and in sequence, in a very easy way.
• SwiftAudioPlayer - Simple audio player for iOS that streams and performs realtime audio manipulations with AVAudioEngine.
• SwiftySound - Simple library that lets you play sounds with a single line of code.
• voice-overlay-ios - An overlay that gets your user’s voice permission and input as text in a customizable UI.

Augmented Reality

back to top

• ARHeadsetKit - High-level framework for using $5 Google Cardboard to replicate Microsoft Hololens.
• ARKit-CoreLocation - Combines the high accuracy of AR with the scale of GPS data.
• ARKit-Navigation - Navigation in augmented reality with MapKit.
• ARVideoKit - Capture & record ARKit videos, photos, Live Photos, and GIFs.
• ARVoxelKit - Voxel graphic framework using ARKit.
• Poly - Unofficial Google Poly SDK – explore the world of 3D.

Authentication

Easy way to manage auth in your apps. back to top

• Cely - A Plug-n-Play login framework.
• InstagramLogin - Simple way to authenticate Instagram accounts.
• LinkedInSignIn - Simple view controller to log in and retrieve an access token from LinkedIn.
• LoginKit - LoginKit is a quick and easy way to add a Login/Signup UX to your iOS app.
• ReCaptcha - [In]visible ReCaptcha for iOS.
• SpotifyLogin - Authenticate with the Spotify API.

Bots

Libs to build bot back to top

• Telegram Bot SDK :penguin: - Unofficial SDK.
• Telegrammer :penguin: - Open-source framework for Telegram Bots developers. It was built on top of Apple/SwiftNIO which help to demonstrate excellent performance.

Cache

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• AwesomeCache - Manage cache easy.
• Cache - Nothing but Cache.
• CachyKit - A Caching Library that can cache JSON, Image, Zip or AnyObject with expiry date/TTYL and force refresh.
• Cachyr - A small key-value data cache for iOS, macOS and tvOS.
• Carlos - A simple but flexible cache.
• EVURLCache - If you want to make your app still works when it's offline.
• MemoryCache - Type-safe memory cache.

Chart

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• Charts - Beautiful charts for iOS/tvOS/OSX (port of MPAndroidChart).
• ChartView - Swift package for displaying beautiful charts effortlessly
• PNChart-Swift - A simple and beautiful chart lib with animation.
• ScrollableGraphView - Adaptive scrollable graph view for iOS to visualise simple discrete datasets.
• SwiftChart - A simple line and area charting library for iOS. Supports multiple series, partially filled series and touch events.
• SwiftCharts - Highly customizable charts for iOS.
• SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in.
• TKRadarChart - A customizable radar chart.

Chat

Libs to get access to build chat app back to top

• Chatto - A lightweight framework to build chat applications.
• InputBarAccessoryView - A simple and easily customizable InputAccessoryView for making powerful input bars with autocomplete and attachments.
• MessageKit - A community-driven replacement for JSQMessagesViewController.
• MessengerKit - A UI framework for building messenger interfaces.
• Real-time Chat with Firebase - Functional real-time chat app with Firebase Firestore using MessageKit.

Colors

Interesting snippets related to color management and utility. back to top

• ChromaColorPicker - An intuitive and fun iOS color picker.
• ColorKit - Advanced color manipulation for iOS.
• DynamicColor - An extension to manipulate colors easily.
• Gradients - A curated collection of splendid 180+ gradients.
• HexColor - Define UIColors as Hex integers.
• Hue - Hue is the all-in-one coloring utility that you'll ever need.
• PrettyColors - Styles and colors text in the Terminal with ANSI escape codes. Conforms to ECMA Standard 48.
• SheetyColors - An action sheet styled color picker for iOS.
• SwiftGen-Colors - A tool to auto-generate enums for your UIColor constants.
• SwiftHEXColors - HEX color handling as an extension for UIColor.
• UIColor-Hex-Swift - Hex to UIColor converter.
• UIGradient - A simple and powerful library for using gradient layer, image, color.

Command Line

Create command line applications. back to top

• Ashen - A framework for writing terminal applications in Swift. Based on The Elm Architecture.
• Commander :penguin: - Compose beautiful command line interfaces.
• CommandLine :penguin: - Library for creating command-line interfaces.
• Guaka :penguin: - The smart and beautiful (POSIX compliant) command line framework.
• LineNoise :penguin: - A zero-dependency replacement for readline.
• nef - A set of command line tools that lets you have compile time verification of your documentation written as Xcode Playground.
• Progress.swift :penguin: - Add beautiful progress bars to your command line.
• Swift Argument Parser - Straightforward, type-safe argument parsing for Swift.
• SwiftCLI :penguin: - A powerful framework that can be used to develop a CLI.
• Swiftline - A set of tools to help you create command line applications.
• SwiftShell - A library for creating command-line applications and running shell commands.
• SwiftyTextTable :penguin: - A lightweight library to generate text tables.

Concurrency

Easier ways to work with concurrency. back to top

• async+ :penguin: - A chainable interface for Swift 5.5's async/await.
• AsyncNinja - A complete set of concurrency and reactive programming primitives.
• Futures :penguin: - Lightweight promises for iOS, macOS, tvOS, watchOS, and server-side.
• GroupWork :penguin: - Easy concurrent, asynchronous tasks.
• Hydra - Promises & Await - Write better async code.
• Kommander - Manage the task execution in different threads through Kommands.
• Queuer :penguin: - A queue manager, built on top of OperationQueue and Dispatch (aka GCD).
• SwiftCoroutine :penguin: - Coroutines for iOS, macOS and Linux.
• Throttler - Throttle massive number of asynchronous inputs in a single drop of one line API.
• Venice :penguin: - Communicating sequential processes (CSP), Linux ready.

Currency

back to top

• Money - Currency formatter.

Data Management

back to top

CBOR

Concise Binary Object Representation. back to top

• CBORCoding :penguin: - Easy CBOR encoding and decoding for iOS, macOS, tvOS and watchOS.

Core Data

No more pain with Core Data, here are some interesting libs to handle data management. back to top

• AERecord - Super awesome Core Data wrapper library for iOS.
• AlecrimCoreData - Simple Core Data wrapper library.
• CloudCore - Robust CloudKit synchronization: offline editing, relationships, shared and public databases, and more.
• CoreStore - simple and elegant way to handle Core Data.
• DataKernel - DataKernel is a minimalistic wrapper around Core Data stack to ease persistence operations. No external dependencies.
• Graph - An elegant data-driven framework for Core Data.
• JSQCoreDataKit - A swifter Core Data stack.
• JustPersist - Easiest and safest way to do persistence on iOS with Core Data support out of the box.
• QueryKit - An easy way to play with Core Data filtering.
• Skopelos - A minimalistic, thread safe, non-boilerplate and super easy to use version of Active Record on Core Data.
• SugarRecord - Helps with Core Data and Realm.

CSV

Helpful libraries to parse from and serialize to comma-separated value representations. back to top

• CodableCSV :penguin: - Read and write CSV files row-by-row or through Swift's Codable interface.
• CSVParser :penguin: - Fast parser for CSV.

Firebase

back to top

• Ballcap - Ballcap is a database schema design framework for Cloud Firestore.

GraphQL

back to top

• SociableWeaver - Build declarative GraphQL queries and mutations.

JSON

Struggling using json data? Here are some interesting ways to handle it. back to top

• AlamofireObjectMapper - An Alamofire extension which converts JSON response data into objects using ObjectMapper.
• Alembic - Functional JSON parsing, mapping to objects, and serialize to JSON.
• Argo - JSON parsing library.
• Arrow - Elegant JSON Parsing.
• Decodable :penguin: - JSON parsing.
• Elevate - JSON parsing framework that makes parsing simple, reliable and composable.
• EVReflection - Reflection based JSON encoding and decoding. Including support for NSDictionary, NSCoding, Printable, Hashable and Equatable.
• Freddy - A reusable framework for parsing JSON.
• Gloss :penguin: - Shiny JSON parsing library.
• HandyJSON - A handy JSON-object serialization/deserialization library.
• Himotoki - A type-safe JSON decoding library.
• JASON - JSON parsing with outstanding performances and convenient operators.
• JSONHelper - Lightning fast JSON deserialization and value conversion library for iOS & OS X.
• JSONNeverDie - Auto reflection tool from JSON to Model, user friendly JSON encoder / decoder, aims to never die.
• ObjectMapper - JSON object mapper.
• PMJSON - JSON encoding/decoding library.
• Sextant :penguin: - High performance JSONPath queries
• SwiftyJSON - A lib for JSON with error handling.
• SwiftyJSONAccelerator - macOS app to generate Swift 5 models for JSON (with Codeable).
• Unbox - The easy to use JSON decoder.

Key Value Store

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• Default - Modern interface to UserDefaults + Codable support.
• Defaults - Strongly-typed UserDefaults with support for Codable and key observation.
• DefaultsKit - Simple, Strongly Typed UserDefaults for iOS, macOS and tvOS.
• Prephirences - Manage application preferences, NSUserDefaults, iCloud, Keychain and more.
• SecureDefaults - A lightweight wrapper over UserDefaults & NSUserDefaults with an extra AES-256 encryption layer.
• Storez - Safe, statically-typed, store-agnostic key-value storage.
• SwiftStore - A Key-Value store backed by LevelDB.
• SwiftyUserDefaults - Cleaner, nicer syntax for NSUserDefaults.
• UserDefaultsStore - Why not use UserDefaults to store Codable objects 😉.
• Zephyr - Effortlessly synchronize NSUserDefaults over iCloud.

MongoDB

back to top

• MongoKitten :penguin: - MongoDB Connector.
• Perfect-MongoDB :penguin: - A stand-alone wrapper around the mongo-c client library, enabling access to MongoDB servers.

Multi Database

Data management layers that involve multiple sources. back to top

• ModelAssistant - Elegant library to manage the interactions between view and model.
• PersistenceKit - Store and retrieve Codable objects to various persistence layers, in a couple lines of code!
• Shallows - Your lightweight persistence toolbox.

ORM

back to top

• fluent :penguin: - Simple ActiveRecord implementation.
• Perfect-CRUD :penguin: - CRUD is an object-relational mapping (ORM) system using Codable protocol.

Other Data

Other ways to persist data back to top

• CoreXLSX - Excel spreadsheet (XLSX) format support.
• Disk - Delightful framework for iOS to easily persist structs, images, and data.
• EVCloudKitDao - Simplified access to CloudKit with support for subscriptions and local caching.
• KeyPathKit - KeyPathKit provides a seamless syntax to manipulate data using typed keypaths.
• LeetCode-Swift - Solutions to LeetCode interview questions.
• Pencil - Write any value to file.
• StorageManager - Safe and easy way to use FileManager as Database.

Realm

back to top

• Realm - Realm is a mobile database: a replacement for Core Data & SQLite.
• Realm+JSON - A concise Mantle-like way of working with Realm and JSON.
• RealmWrapper - Safe and easy wrappers for RealmSwift.
• Unrealm - Unrealm enables you to easily store Swift native Classes, Structs and Enums into Realm.

SQL drivers

back to top

• MySQL Swift :penguin: - MySQL client library.
• Perfect-MySQL :penguin: - A stand-alone wrapper around the MySQL client library, enabling access to MySQL servers.
• Perfect-PostgreSQL :penguin: - A stand-alone wrapper around the libpq client library, enabling access to PostgreSQL servers.

SQLite

Are you interested in storing your app data using SQLite? Here are some interesting resources. back to top

• GRDB.swift - A versatile SQLite toolkit.
• SQLite.swift - Framework wrapping SQLite3. Small. Simple. Safe.
• SQLiteDB - SQLite wrapper.

TOML

Tom's Obvious, Minimal Language. back to top

• TOMLDecoder - Latest TOML standard, decoded.

XML

If you prefer to manage XML data formatted entries, here are some helpful libs back to top

• AEXML - xml wrapper.
• CheatyXML - A powerful framework designed to manage XML easily.
• SwiftyXML - The most swifty way to deal with XML.
• SWXMLHash - Simple XML parsing.
• XMLCoder - XMLEncoder & XMLDecoder based on Codable protocols from the standard library.
• XMLMapper - A simple way to map XML to Objects.

YAML

back to top

• YamlSwift - Load YAML and JSON documents.
• Yams :penguin: - Sweet YAML parser.

ZIP

back to top

• Zip - Framework for zipping and unzipping files.
• Zip Foundation - A library to create, read and modify ZIP archive files.

Date

Handle data formatting easily. back to top

• AnyDate - Date & Time API inspired from Java 8 DateTime API.
• Chronology - Building a better date/time library.
• DateHelper - Simple date helper.
• Datez - Library for dealing with NSDate, NSCalendar, NSDateComponents, and NSTimeInterval.
• Datify - Easypeasy date functions.
• NVDate - Date extension library.
• SwiftDate - Easy NSDate Management.
• SwiftMoment - A time and calendar manipulation library.
• Time - Type-safe time calculations, powered by generics.
• Timepiece - Intuitive NSDate extensions.
• TrueTime.swift - Get the true current time impervious to device clock time changes (NTP library).

Dependency Injection

Dependency injection libs back to top

• Cleanse - A Lightweight Dependency Injection Framework by Square.
• Corridor - A Coreader-like Dependency Injection μFramework.
• Deli - Deli is an easy-to-use Dependency Injection(DI).
• DIKit - Dependency Injection Framework for Swift, inspired by KOIN.
• Dip - A simple Dependency Injection Container.
• DITranquillity - Dependency injection framework with tranquility.
• Locatable - A micro-framework that leverages Property Wrappers to implement the Service Locator pattern.
• Pure - A way to do a dependency injection without a DI container.
• Swinject - A dependency injection framework.
• Typhoon - Dependency injection toolkit.
• Weaver - A declarative, easy-to-use and safe Dependency Injection framework.

Device

A collection of libs to recognize your device. back to top

• Device - Light weight tool for detecting the current device and screen size.
• Device.swift - Super-lightweight library to detect used device.
• DeviceKit - DeviceKit is a value-type replacement of UIDevice.
• Deviice - Swift library to easily check the current device and some more info about it.
• Luminous - Get everything you need to know about the device.
• Thingy - A modern device detection and querying library.
• UIDeviceComplete - UIDevice extensions that fill in the missing pieces.

Documentation

Generate documentation for Swift code back to top

• jazzy - Soulful docs.
• SourceDocs - Generate Markdown reference documentation that lives with your code.

Email

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Embedded Systems

Build your embedded Linux projects on a RaspberryPi, BeagleBone, C.H.I.P. and other boards. back to top

• SwiftyGPIO :penguin: - Interact with Linux GPIO/SPI/PWM on ARM.

Peripherals

Interact with specific external peripherals. back to top

Events

Alternatives to NSNotificationCenter, Key-Value-Observation, or delegation. back to top

• Bond - Binding framework.
• BrightFutures - Promise and future lib.
• Combinative - UI event handling using Apple's combine framework.
• EasyFutures - 🔗Futures & Promises. Easy to use. Highly combinable.
• EmitterKit - Implementation of event emitters and listeners.
• FutureKit - Future/Promises Library.
• Katana - Write apps a la React and Redux.
• LightweightObservable - A lightweight implementation of an observable sequence that you can subscribe to.
• NoticeObserveKit - NoticeObserveKit is type-safe NotificationCenter wrapper that associates notice type with info type.
• Notificationz - Helping you own NSNotificationCenter by providing a simple, customizable adapter.
• Observable - The easiest way to observe values.
• OpenCombine - Open source implementation of Apple's Combine framework for processing values over time.
• PMKVObserver - Modern thread-safe and type-safe key-value observing.
• PromiseKit - Async promise programming lib.
• ReactiveCocoa - ReactiveCocoa (RAC) is a Cocoa framework inspired by Functional Reactive Programming. It provides APIs for composing and transforming streams of values over time.
• ReactorKit - A framework for reactive and unidirectional application architecture.
• ReSwift - Unidirectional Data Flow.
• RxReduce - Reactive implementation of the state container pattern (like Redux). It is based on the simple concepts of state immutability and unidirectionnal data flow.
• RxSwift - Microsoft Reactive Extensions (Rx).
• Signals - Replaces delegates and notifications.
• Snail - An Observables framework.
• SwiftEventBus - A publish/subscribe event bus optimized for iOS.
• Tempura - A holistic approach to iOS development, inspired by Redux and MVVM.
• Tokamak - React-like declarative API for building native UI components with easy to use one-way data binding.
• Tomorrowland - Lightweight Promises.
• TopicEventBus - Publish–subscribe design pattern implementation framework, with ability to publish events by topic.
• VueFlux - Unidirectional Data Flow State Management Architecture - Inspired by Vuex and Flux.
• When - A lightweight implementation of Promises.

Files

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• FileKit - Simple and expressive file management.
• FileProvider - FileManager replacement for Local, iCloud and Remote (WebDAV/FTP/Dropbox/OneDrive/SMB2) files for iOS/tvOS and macOS.
• KZFileWatchers - A micro-framework for observing file changes, both local and remote.
• PathKit :penguin: - Effortless path operations.
• Pathos :penguin: - Efficient Unix file management.

Fonts

A collection of font related snippets. back to top

• FontAwesome.swift - Use FontAwesome in your projects.
• FontBlaster - Programmatically load custom fonts into your iOS app.
• Inkwell - An inkwell to use custom fonts on the fly.
• IoniconsKit - Use ionicons as UIImage / UIFont in your projects.
• OcticonsKit - Use Octicons as UIImage / UIFont in your projects.
• OpenSansSwift - OpenSans.
• SwiftIconFont - Fontawesome, Iconic, Ionicons, Octicon ports.
• SwiftIcons - Library for Font Icons: dripicons, emoji, font awesome, icofont, ionicons, linear icons, map icons, material icons, open iconic, state, weather.
• SwiftUI-FontIcon - Font icons for SwiftUI: font awesome, ionicons, material icons.
• SYSymbol - All the SFSymbols at your fingertips.
• UIFontComplete - Font management (System & Custom) for iOS and tvOS.

Game Engine

back to top

• glide engine - SpriteKit and GameplayKit based engine for making 2d games, with practical examples and tutorials.
• Raylib for Swift :penguin: - A Cross-Platform Swift package for Raylib. Builds Raylib from source so no need to fiddle with libraries. Just add as a dependency in you game package and go!

2D

back to top

• ImagineEngine - Blazing fasst 2D gaming engine.

Games

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• FDChessboardView - A view controller for chess boards
• Sage :penguin: - A cross-platform chess library.

Gesture

back to top

• ShowTime - Show off your iOS taps and gestures for demos and videos with just one line of code.
• SwiftyGestureRecognition - UIGestureRecognizers in Xcode Playgrounds.
• SwipyCell - UITableViewCell implementing swiping to trigger actions (known from the Mailbox App).
• Tactile - A safer and more idiomatic way to respond to gestures and control events.

Hardware

A category dedicated to hardware related libs back to top

3D Touch

Easy handle new 3D Touch / Force Touch feature thanks to these libs. back to top

Bluetooth

Wrappers around CoreBluetooth back to top

• BlueCap - Wrapper around CoreBluetooth and much more.
• Bluejay - A simple framework for building reliable Bluetooth LE apps.
• BluetoothKit - Easily communicate between iOS/OSX devices using BLE.
• RxBluetoothKit - iOS & OSX Bluetooth library for RxSwift.
• SwiftyBluetooth - Simple and reliable closure based wrapper around CoreBluetooth.

Camera

Awesome camera libs back to top

• ALCameraViewController - Camera view controller with custom image picker and image cropping.
• CameraBackground - Show camera layer as a background to any UIView.
• CameraKit-iOS - Massively increase camera performance and ease of use in your next project.
• FDTake - Easily take a photo or video or choose from library.
• Fusuma - Instagram-like photo browser and a camera feature.
• NextLevel - Rad Media Capture.

Barcode

Barcode, QR-code, other code readers back to top

• BarcodeScanner - A simple and beautiful barcode scanner view controller.
• EFQRCode - A better way to operate quick response code.
• QRCodeReader.swift - Simple QRCode reader.

Haptic Feedback

Libraries that involve the use of Haptic Feedback back to top

• Haptica - Easy Haptic Feedback Generator.

iBeacon

Interested in using iBeacon in your Swift project? Here some interesting resources. back to top

• SwiftLocation - Location & Beacon Monitoring.

Sensors

Manage your device sensors in a faster and easier way back to top

Images

An interesting list of image related libs.. back to top

• Agrume - A lemony fresh iOS image viewer.
• AlamofireImage - AlamofireImage is an image component library for Alamofire.
• APNGKit - High performance and delightful way to play with APNG format in iOS.
• ATGMediaBrowser - Image slide-show viewer with multiple predefined transition styles, and with ability to create new transitions with ease.
• AXPhotoViewer - An iPhone/iPad photo gallery viewer, useful for viewing a large (or small!) number of photos.
• BlockiesSwift - Unique blocky identicons/profile picture generator.
• Brightroom - An image editor and engine using CoreImage.
• CTPanoramaView - A library that displays spherical or cylindrical panoramas with touch or motion based controls.
• DTPhotoViewerController - A fully customizable photo viewer ViewController to display single photo or collection of photos, inspired by Facebook photo viewer.
• FacebookImagePicker - Facebook album photo picker.
• FaceCrop - Detect and center faces in your images using Apple’s Vision Framework.
• FlexibleImage - A simple way to play with images.
• FMPhotoPicker - A modern, simple and zero-dependency photo picker with an elegant and customizable image editor.
• gifu - Highly performant animated GIF support for iOS.
• GPUImage 2 - GPUImage 2 is a BSD-licensed framework for GPU-accelerated video and image processing.
• GPUImage 3 - GPUImage 3 is a BSD-licensed framework for GPU-accelerated video and image processing using Metal.
• HanekeSwift - A lightweight generic cache for iOS with extra love for images.
• ImageDetect - Detect and crop faces, barcodes and texts in image with iOS 11 Vision API.
• ImageLoader - A lightweight and fast image loader for iOS.
• ImageScout - Implementation of fastimage - supports PNG, GIF, and JPEG.
• ImageViewer - An image viewer à la Twitter.
• ImgixSwift - Easily update image urls to be fast and responsive.
• JLStickerTextView - A UIImageView allow you to add multiple Label (multiple line text support) on it, you can edit, rotate, resize the Label as you want with one finger ,then render the text on Image.
• Kanvas - A iOS library for adding effects, drawings, text, stickers, and making GIFs from existing media or the camera.
• Kingfisher - Image download and caching.
• LetterAvatarKit - A UIImage extension that generates letter-based avatars.
• Lightbox - A convenient and easy to use image viewer for your iOS app.
• MapleBacon - Image download and caching library.
• MCScratchImageView - A custom ImageView that is used to cover the surface of other view like a scratch card, user can swipe the mulch to see the view below.
• Moa - An image download extension of the image view for iOS, tvOS and macOS.
• Nuke - Advanced framework for loading, caching, processing, displaying and preheating images.
• PassportScanner - Scan the MRZ code of a passport and extract the first name, last name, passport number, nationality, date of birth, expiration date and personal number.
• Rough - Rough lets you draw in a sketchy, hand-drawn-like, style.
• Sharaku - Image filtering UI library like Instagram.
• Snowflake - Work with SVG.
• SwiftDraw - Library that converts SVG images to UIImage, NSImage and generates CoreGraphics source code.
• SwiftGen-Assets - A tool to auto-generate enums for all your UIImages from your Assets Catalogs.
• SwiftGif - A small UIImage extension with GIF support.
• SwiftSVG - A single pass SVG parser with multiple interface options (String, NS/UIBezierPath, CAShapeLayer, and NS/UIView).
• SwiftWebImage - 🚀SwiftUI Image downloader with performant LRU mem/disk cache.
• SwiftyGif - High performance GIF engine.
• TinyCrayon - A smart and easy-to-use image masking and cutout SDK for mobile apps.
• Toucan - Image processing api.
• UIImageColors - iTunes style color fetcher for UIImage.
• Viewer - Image viewer (or Lightbox) with support for local and remote videos and images.
• Vulcan - Multi image downloader with priority.
• YPImagePicker - Instagram-like image picker & filters for iOS.
• ZImageCropper - Crop image in any shape.

Key Value Coding

Libraries for key-value coding back to top

Keyboard

Do you want to create your own customized keyboard? Here are some interesting resources back to top

• IHKeyboardAvoiding - An elegant solution for keeping any UIView visible when the keyboard is being shown. No UIScrollView required.
• IQKeyboardManager - Codeless drop-in universal library allows to prevent issues of keyboard sliding up and cover UITextField/UITextView.
• KeyboardHideManager - Codeless manager to hide keyboard by tapping on views for iOS.
• KeyboardShortcuts - Add user-customizable global keyboard shortcuts to your macOS app. Includes a Cocoa and SwiftUI component.
• Ribbon - 🎀 A simple cross-platform toolbar/custom input accessory view library for iOS & macOS.
• Typist - Small, drop-in UIKit keyboard manager for iOS apps-helps manage keyboard's screen presence and behavior without notification center.

Kit

Libraries for coding with a simplified API back to top

• BFKit-Swift :penguin: - A collection of useful classes, structs and extensions to develop Apps faster.
• C4iOS - Harnesses the power of native iOS programming with a simplified API.

Layout

Libs to help you with layout. back to top

• BrickKit - Create complex and responsive layouts in a simple way.
• CGLayout :penguin: - Powerful autolayout framework, that can manage UIView(NSView), CALayer, not rendered views and etc. Provides placeholders.
• FlexLayout - Nice and clean interface to the highly optimized Facebook yoga Flexbox implementation.
• Grid - The most powerful Grid container missed in SwiftUI.
• LayoutKit - LayoutKit is a fast view layout library for iOS, macOS, and tvOS.
• LayoutLess - Write less UI Code.
• Neon - A powerful programmatic UI layout framework.
• PinLayout - Fast Views layouting without auto layout. No magic, pure code, full control and blazing fast. Concise syntax, intuitive, readable & chainable. [iOS/macOS/tvOS]
• Static - A simple static table views for iOS.
• Stevia - Elegant view layout for iOS.

Auto Layout

Bored of using storyboard? Give a try to declarative auto layout libs. back to top

• Bamboo - Auto Layout (and manual layout) in one line.
• Cartography - Declarative auto layout lib for your project.
• Cassowary - A linear constraint solving library using the same algorithm as AutoLayout.
• Cupcake - An easy way to create and layout UI components for iOS.
• DeviceLayout - AutoLayout can be set differently for each device.
• EasyPeasy - Auto Layout made easy.
• EasySwiftLayout - Lightweight Swift framework for Apple's Auto-Layout.
• EZLayout - An easier and faster way to code Autolayout.
• KVConstraintKit - An Impressive Autolayout DSL for iOS, tvOS & OSX.
• MisterFusion - DSL for AutoLayout, supports Size Class.
• Mortar - A concise but flexible DSL for creating Auto Layout constraints and adding subviews.
• NorthLayout - Fast path to layout using Visual Format Language (VFL) with extended syntax.
• PureLayout - The ultimate API for iOS & OS X Auto Layout.
• SnapKit - Autolayout DSL for iOS & OS X.
• Swiftstraints - Powerful auto-layout framework that lets you write constraints in one line of code.
• TinyConstraints - TinyConstraints is the syntactic sugar that makes Auto Layout sweeter for human use.

Localization

Frameworks that helps with localizing your app back to top

• BartyCrouch - Incrementally update/translate your Strings files from Code and Storyboards/XIBs.
• CrowdinSDK - Delivers all new translations from Crowdin project to the application immediately.
• IBLocalizable - Localize your views directly in Interface Builder with IBLocalizable.
• L10n-swift - Localization of an application with ability to change language "on the fly" and support for plural forms in any language.
• LocalizationKit - Realtime dynamic localization of your app with remote management so you can manage maintain and deploy translations without resubmitting app.
• Localize - Localize apps using e.g. regular expressions in Localizable.strings.
• Localize-Swift - Localize apps using e.g. regular expressions in Localizable.strings.
• Locheck - Validate .strings and .stringsdict files for errors
• NoOptionalInterpolation - Get rid of "Optional(...)" and "nil" in string interpolation. Easy pluralization.
• SwiftGen-L10n - A tool to auto-generate enums for all your Localizable.strings keys (with appropriate associated values if those strings contains printf-format placeholders like %@).
• Translatio - Super lightweight library that helps you to localize strings, even directly in storyboards.

Location

back to top

• AsyncLocationKit - Wrapper for Apple CoreLocation framework with Modern Concurrency Swift (async/await).
• STLocationRequest - An elegant and simple 3D Flyover Location Request Screen.

Logging

Utilities for writing to and reading from the device log back to top

• AEConsole - Customizable Console UI overlay with debug log on top of your iOS App.
• CleanroomLogger - Configurable and extensible high-level logging API that is simple, lightweight and performant.
• Duration :penguin: - Lightweight logging library focused on reporting timings for operations.
• Gedatsu - Provide readable format about AutoLayout error console log.
• HeliumLogger :penguin: - IBM's lightweight logging framework.
• Printer - A fancy logger for your next app.
• Puppy :penguin: - A flexible logging library that supports multiple transports and platforms.
• Puree - A log collector for iOS.
• QorumLogs - Logging Utility for Xcode & Google Docs.
• Rainbow :penguin: - Delightful console output.
• SwiftyBeaver :penguin: - Multi-platform logging during development & release.
• TinyConsole - A tiny log console to display information while using your iOS app.
• TraceLog :penguin: - Dead Simple: logging the way it's meant to be! Runs on iOS, macOS, and Linux.
• Watchdog - Utility for logging excessive blocking on the main thread.
• WatchdogInspector - A logging tool to show the current framerate (fps) in the status bar of your iOS app.
• Willow - Willow is a powerful, yet lightweight logging library.
• XCGLogger - Full featured & Configurable logging utility with log levels, timestamps, and line numbers.

Maps

back to top

• Cluster - Easy Map Annotation Clustering.
• FlyoverKit - FlyoverKit enables you to present stunning 360° flyover views on your MKMapView with zero effort while maintaining full configuration possibilities.
• GEOSwift - Make it easier to work with geographic models and calculate intersections, overlapping, projections etc.
• LocoKit - A location and activity recording framework for iOS.
• MapViewPlus - Use any custom view as custom callout view for MKMapView with cool animations. Use any image as annotation view.

Math

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• Arithmosophi - Set of protocols for Arithmetic and Logical operations.
• BigInt - Arbitrary-precision arithmetic.
• DDMathParser - DDMathParser makes it easy to parse a String and evaluate it as a mathematical expression.
• SigmaSwiftStatistics - A collection of functions for statistical calculation.
• Upsurge - Simple and fast matrix and vector math.

Natural Language Processing

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Network

A list of libs that allow you to decrease the amount of time spent dealing with http requests. back to top

• Alamofire :penguin: - Elegant networking.
• APIKit - Library for building type-safe web API client.
• Ciao - Publish and discover services using mDNS (Bonjour, Zeroconf).
• CodyFire - Powerful Codable API requests builder and manager for iOS. Based on Alamofire.
• Conduit - Robust networking for web APIs.
• Connectivity - 🌐 Makes Internet connectivity detection more robust by detecting Wi-Fi networks without Internet access.
• Dots - Lightweight Concurrent Networking Framework.
• Dratini - A neat network layer.
• Heimdallr.swift - Easy to use OAuth 2 library for iOS.
• Just :penguin: - HTTP for Humans (a python-requests style HTTP library).
• Malibu - A networking library built on promises.
• Moya - Network abstraction layer.
• MultiPeer - A wrapper for the MultipeerConnectivity framework for automatic offline data transmission between devices.
• NEKit - A toolkit for Network Extension Framework.
• NetClient - Versatile HTTP networking library.
• Netfox - A lightweight, one line setup, network debugging library.
• Netswift - A type-safe, high-level networking solution.
• OAuth2 - oauth2 auth lib.
• OAuthSwift - OAuth library for iOS.
• Pitaya :penguin: - HTTP / HTTPS networking library just incidentally execute on machines.
• PMHTTP - HTTP framework with a focus on REST and JSON.
• Postal - Framework providing simple access to common email providers.
• Reachability.swift - A replacement for Apple's Reachability with closures.
• ReactiveAPI - Write clean, concise and declarative network code relying on URLSession, with the power of RxSwift. Inspired by Retrofit.
• ResponseDetective - A non-intrusive framework for intercepting any outgoing requests and incoming responses between your app and server for debugging purposes.
• ShadowsocksX-NG - A fast tunnel proxy that helps you bypass firewalls.
• Siesta - Elegant abstraction for REST APIs that untangles stateful messes. An alternative to callback- and delegate-based networking.
• SolarNetwork - Elegant network abstraction layer.
• SwiftHTTP - NSURLSession wrapper.
• SwiftyOAuth - A small OAuth library with a built-in set of providers.
• TermiNetwork - 🌏 A zero-dependency networking solution for building modern and secure iOS, watchOS, macOS and tvOS applications.
• TRON - Lightweight network abstraction layer, written on top of Alamofire.
• Wormholy - iOS network debugging, like a wizard 🧙‍.

HTML

Need to manipulate contents from html easily? back to top

• Fuzi - A fast & lightweight XML/HTML parser with XPath & CSS support.
• Ji - XML/HTML parser.
• Kanna - Another XML/HTML parser.
• SwiftSoup :penguin: - HTML Parser, with best of DOM, CSS, and jquery.
• WKZombie - Headless browser.

Messaging Protocol

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• CocoaMQTT - MQTT for iOS and OS X.
• Perfect-Notifications - iOS Notifications for Linux and OS X.

SOAP

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• SOAPEngine - Generic SOAP client to access SOAP Web Services using iOS, Mac OS X, and Apple TV.

Socket

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• BlueSocket - IBM's cross platform low level socket framework.
• BlueSSLService - SSL/TLS add-in for IBM's low level socket framework.
• DNWebSocket - Object-Oriented, Autobahn tested WebSocket Library (RFC 6455).
• RxWebSocket - Reactive WebSockets.
• Socket.IO :penguin: - Socket.IO client for iOS/OS X.
• sockets :penguin: - TCP, UDP; Client, Server; Linux, OS X.
• Starscream - Websockets for iOS and OSX.
• SwiftDSSocket - Asynchronous socket framework built atop DispatchSource.
• SwiftSocket - Simple TCP socket library.
• SwiftWebSocket - A high performance WebSocket client library .

Webserver

Would you like host a webserver in your device? Here you can find how to do it. back to top

• Ambassador - Super lightweight web framework based on SWSGI.
• Corvus :penguin: - Web framework to build REST APIs with a declarative syntax.
• Curassow :penguin: - HTTP server using the pre-fork worker model.
• Embassy :penguin: - Super lightweight async HTTP server library.
• Kitura :penguin: - IBM's web framework and server for web services.
• Lightning :penguin: - Multiplatform Single-threaded Non-blocking Web and Networking Framework.
• Noze.io :penguin: - Evented I/O streams like Node.js.
• Perfect :penguin: - Server-side Swift. The Perfect library, application server, connectors and example apps.
• swifter :penguin: - Http server with routing handler.
• Vapor :penguin: - Elegant web framework that works on iOS, OS X, and Ubuntu.
• Zewo :penguin: - Server-Side Swift.

OCR

back to top

• SwiftOCR - Neural Network based OCR lib.

Optimization

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PDF

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• PDFGenerator - A simple Generator of PDF. Generate PDF from view(s) or image(s).
• SimplePDF - Create a simple PDF effortlessly.
• UXMPDFKit - A PDF viewer and annotator that can be embedded in iOS applications.

Quality

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• AnyLint :penguin: - Lint anything by combining the power of Swift & regular expressions.
• IBLinter - A linter tool for Interface Builder.
• swift-mod - A tool for Swift code modification intermediating between code generation and formatting.
• SwiftCop - A validation library which inspired by the clarity of Ruby On Rails Active Record validations.
• SwiftFormat - A code library and command-line formatting tool for reformatting Swift code.
• SwiftLint - A tool to enforce coding conventions.
• Swimat - Xcode plugin to format code.
• Tailor :penguin: - Cross-platform static analyzer that helps you to write cleaner code and avoid bugs.

Scripting

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• Marathon - Easy way to create and manage scripts.
• Swift for Scripting - A hand-curated collection of useful and informative scripting material.

SDK

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Security

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• SecurePropertyStorage - Helps you define secure storages for your properties using Swift property wrappers.

Cryptography

Deal with cryptography method easily back to top

• BlueCryptor - IBM's Cross Platform Crypto library.
• BlueRSA - IBM's Cross Platform RSA Crypto library.
• CryptoSwift :penguin: - Crypto related functions and helpers.
• IDZSwiftCommonCrypto - A wrapper for Apple's Common Crypto library.
• JOSESwift - A framework for the JOSE standards JWS, JWE, and JWK.
• RNCryptor - CCCryptor (Apple's AES encryption) wrappers for iOS and Mac.
• SCrypto - Elegant interface to access the CommonCrypto routines.
• Siphash - Simple and secure hashing with the SipHash algorithm.
• Swift-Sodium - Interface to the Sodium library for common crypto operations for iOS and OS X.
• Themis - Multilanguage framework for making typical encryption schemes easy to use: data at rest, authenticated data exchange, transport protection, authentication, and so on.

Keychain

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• keychain-swift - Helper functions for saving text in Keychain securely for iOS, OS X, tvOS and watchOS.
• KeychainAccess - Simple wrapper for Keychain that works on iOS and OS X.
• Latch - A simple Keychain Wrapper for iOS.
• SwiftKeychainWrapper - Simple static wrapper for the iOS Keychain to allow you to use it in a similar fashion to user defaults.

Streaming

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• HaishinKit - Camera and Microphone streaming library via RTMP, HLS for iOS, macOS, tvOS.
• Live - Demonstrate how to build a live broadcast app.

Styling

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• Ambience - Brightness aware accessibility theme switching without coding.
• Stylist - Define UI styles in a hot-loadable external yaml or json file.
• SwiftTheme - Powerful theme/skin manager for iOS 8+.
• Themes - Theme management.

SVG

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• SVGView - SVG parser and renderer written in SwiftUI.

System

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• BlueSignals - IBM's Cross Platform OS signal handling library.
• LaunchAtLogin - Easily add 'Launch at Login' functionality to your sandboxed macOS app.
• SystemKit - OS X system library.

Testing

A collection of testing frameworks. back to top

• DVR - A simple network testing framework.
• Erik - An headless browser to access and manipulate webpages using javascript allowing to run functional tests.
• Fakery - Fake data generator.
• Mussel - A framework for easily testing Push Notifications, Universal Links and Routing in XCUITests.
• Nimble - A matcher framework.
• OHHTTPStubs - A testing library designed to stub your network requests easily.
• PinpointKit - Lets your testers and users send feedback with annotated screenshots and logs using a simple gesture.
• Quick :penguin: - Quick is a behavior-driven development framework.
• Sizes - Test your app on different device and font sizes.
• SnapshotTest - Snapshot testing tool for iOS and tvOS.
• Spectre :penguin: - BDD Framework.
• SwiftCheck - A testing library that automatically generates random data for testing program properties.
• UI Testing Cheat Sheet - Answers to common "How do I test this with UI Testing?" questions with a working example app.
• XCTest - The XCTest Project, A Swift core library for providing unit test support.

Mock

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• AutoMockable - A framework that leverages the type system to let you easily create mocked instances of your data types.
• Cuckoo - First boilerplate-free mocking framework.
• Mocker - Mock Alamofire and URLSession requests without touching your code implementation
• Mockingbird - Simplify software testing, by easily mocking any system using HTTP/HTTPS, allowing a team to test and develop against a service that is not complete, unstable or just to reproduce planned cases.
• Mockingjay - An elegant library for stubbing HTTP requests with ease.
• Mockit - A simple mocking framework, inspired by the famous Mockito for Java.
• MockSwift - Mock Framework that uses the power of property wrappers.

Text

A collection of text projects. back to top

• Attributed - Modern µframework for attributed strings.
• AttributedTextView - Easiest way to create an attributed UITextView with support for multiple links, hashtags and mentions.
• BonMot - Beautiful, easy attributed strings for iOS.
• Croc - A lightweight Emoji parsing and querying library.
• edhita - Fully open source text editor for iOS.
• MarkdownKit - A simple and customizable Markdown Parser.
• MarkdownView - iOS Markdown view.
• MarkyMark - Converts Markdown into native views or attributed strings.
• Notepad - A fully themeable markdown editor with live syntax highlighting.
• OEMentions - An easy way to add mentions to uitextview like Facebook and Instagram.
• Parsey - Parser combinator framework that supports source location tracking, backtracking prevention, and rich error messages.
• Pluralize.swift - Great String Pluralize Extension.
• PredicateFlow - PredicateFlow is a builder that allows you to write amazing, strong-typed and easy-to-read NSPredicate.
• PrediKit - An NSPredicate DSL for iOS & OS X inspired by SnapKit.
• Regex by crossroadlabs :penguin: - Very easy to use Regular Expressions library with rich functionality. Features both operator =~ and method based APIs. Unit tests covered.
• Regex by sindresorhus - Swifty regular expressions, fully tested & documented, and with correct Unicode handling.
• RichEditorView - RichEditorView is a simple, modular, drop-in UIView subclass for Rich Text Editing.
• Sprinter - A library for formatting strings.
• SwiftRichString - Elegant & Painless Attributed Strings Management Library.
• SwiftVerbalExpressions - VerbalExpressions porting.
• SwiftyAttributes - Extensions that make it a breeze to work with attributed strings.
• Tagging - A TextView that provides easy to use tagging feature for Mention or Hashtag.
• Texstyle - Texstyle allows you to format attributed strings easily.
• TextAttributes - An easier way to compose attributed strings.
• TextBuilder - Like a SwiftUI ViewBuilder, but for Text.
• TwitterTextEditor - A standalone, flexible API that provides a full featured rich text editor for iOS applications.
• VEditorKit - Lightweight and Powerful Editor Kit.

Thread

Threading, task-based or asynchronous programming, Grand Central Dispatch (GCD) wrapper back to top

• Async - Syntactic sugar for Grand Central Dispatch.
• AwaitKit - The ES7 Async/Await control flow.
• Each - Each is a NSTimer bridge library.
• GCDTimer - A well-tested GCD timer.
• Schedule :penguin: - A missing lightweight task scheduler with an incredibly human-friendly syntax.
• SwiftyTimer - API for NSTimer.

UI

A collection of pre-packaged transitions & cool ui stuffs. back to top

• ActivityIndicatorView - A number of preset loading indicators created with SwiftUI.
• AECoreDataUI - Core Data driven UI.
• AGCircularPicker - Helpful component for creating a controller aimed to manage any calculated parameter.
• AMScrollingNavbar - Scrollable UINavigationBar that follows the scrolling of a UIScrollView.
• Arale - A custom stretchable header view for UIScrollView or any its subclasses with UIActivityIndicatorView support for content reloading.
• BadgeHub - Make any UIView a full fledged animated notification center. It is a way to quickly add a notification badge icon to a UIView.
• BatteryView - Simple battery shaped UIView.
• BetterSafariView - A better way to present a SFSafariViewController or start a ASWebAuthenticationSession in SwiftUI.
• BreakOutToRefresh - A playable pull to refresh view using SpriteKit.
• BulletinBoard - Generates and manages contextual cards displayed at the bottom of the screen.
• CircularProgress - Circular progress indicator for your macOS app.
• ClassicKit - A collection of classic-style UI components.
• ContainerController - UI Component. This is a copy swipe-panel from app: Apple Maps, Stocks
• CostumeKit - Base types for theming an app.
• CountryPickerView - A simple, customizable view for efficiently collecting country information in iOS apps.
• CustomSegue - Custom segue for OSX Storyboards with slide and cross fade effects.
• DeckTransition - A library to recreate the iOS 10 Apple Music now playing transition.
• DockProgress - Show progress in your macOS app's Dock icon.
• Dodo - A message bar for iOS.
• Doric Design System Foundation - Protocol oriented, type safe, scalable design system foundation framework for iOS.
• DropDown - A Material Design drop down for iOS.
• Element - Programmatic UI framework for macOS.
• Elissa - Displays a notification on top of a UITabBarItem or any UIView anchor view to reveal additional information.
• EstMusicIndicator - Music play indicator like iTunes.
• Family - A child view controller framework that makes setting up your parent controllers as easy as pie.
• FAQView - An easy to use FAQ view for iOS.
• Fashion - Fashion accessories and beauty tools to share and reuse UI styles.
• FlagKit - Beautiful flag icons for usage in apps and on the web.
• FlexibleHeader - A container view that responds to scrolling of UIScrollView.
• FloatRatingView - Floating rating system.
• Fluid Slider - A slider widget with a popup bubble displaying the precise value selected.
• GaugeKit - Customizable gauges. Easy reproduce Apple's style gauges.
• Geometry - extensions for UIView.
• GMStepper - A stepper with a sliding label in the middle.
• GradientProgressBar - An animated gradient progress bar.
• GRMustache - Flexible Mustache templates.
• GrowingTextView - UITextView that supports auto growing, placeholder and length limit.
• Hexacon - A new way to display content in your app like the Apple Watch SpringBoard.
• HGCircularSlider - A custom reusable circular slider control for iOS application.
• HidesNavigationBarWhenPushed - A library, which adds the ability to hide navigation bar when view controller is pushed via hidesNavigationBarWhenPushed flag.
• HorizontalDial - A horizontal scroll dial like Instagram.
• HPParallaxHeader - Simple parallax header for UIScrollView.
• IGColorPicker - A customizable color picker for iOS.
• InfoView - Simple information view with pointed arrow.
• InstantSearch iOS - A library of widgets and helpers to build instant-search features on iOS.
• KALoader - Beautiful animated placeholders for showing loading of data.
• KDInteractiveNavigationController - A UINavigationController subclass that support pop interactive UINavigationBar with hidden or show.
• KMNavigationBarTransition - A drop-in universal library helps you to manage the navigation bar styles and makes transition animations smooth between different navigation bar styles while pushing or popping a view controller for all orientations.
• KMPlaceholderTextView - A UITextView subclass that adds support for multiline placeholder.
• LeeGo - Declarative, configurable & highly reusable UI development as making Lego bricks.
• LicensePlist - A command-line tool that automatically generates a Plist of all your dependencies.
• LiquidLoader - Spinner loader components with liquid animation.
• LoadingShimmer - An easy way to add a shimmering effect to any view with just one line of code. It is useful as an unobtrusive loading indicator.
• Macaw - Powerful and easy-to-use vector graphics library with SVG support.
• Magnetic - SpriteKit Floating Bubble Picker (inspired by Apple Music).
• Mandoline - An iOS picker view to serve all your 'picking' needs.
• MantleModal - A simple modal resource that uses a UIScrollView to allow the user to close the modal by dragging it down.
• Material - Express your creativity with Material, an animation and graphics framework for Google's Material Design and Apple's Flat UI.
• Material Components for iOS - Modular and customizable Material Design UI components.
• MaterialKit - Material design components.
• MediaBrowser - Simple iOS photo and video browser with optional grid view, captions and selections.
• MediumScrollFullScreen - Medium scroll style menubar.
• MPParallaxView - Apple TV Parallax effect.
• MultiSelectSegmentedControl - UISegmentedControl remake that supports selecting multiple segments, vertical stacking, combining text and images.
• MultiSlider - UISlider clone with multiple thumbs and values, range highlight, optional snap intervals, optional value labels, either vertical or horizontal.
• MXParallaxHeader - Simple parallax header for UIScrollView.
• MZFormSheetPresentationController - Provides an alternative to the native iOS UIModalPresentationFormSheet, adding support for iPhone and additional opportunities to setup controller size and feel form sheet.
• NeumorphismKit - Neumorphism framework for UIKit.
• NextGrowingTextView - The next in the generations of 'growing textviews' optimized for iOS 7 and above.
• NVActivityIndicatorView - Collection of nice loading animations.
• OverlayContainer - OverlayContainer makes it easier to develop overlay based interfaces, such as the one presented in the Apple Maps or Stocks apps.
• Partition Kit - A SwiftUI Library for creating resizable partitions for View Content.
• PPAssetsActionController - Highly customizable Action Sheet Controller with assets preview.
• Preferences - Add a preferences window to your macOS app in minutes.
• ProgressIndicatorView - A progress indicator view library written in SwiftUI.
• PullToDismiss - You can dismiss modal viewcontroller by pulling scrollview or navigationbar.
• RangeSeekSlider - A customizable range slider like a UISlider for iOS.
• Reel search - Option list managed as a reel.
• ResizingTokenField - A UICollectionView-based token field which provides intrinsic content height.
• RetroProgress - Retro looking progress bar straight from the 90s.
• SAHistoryNavigationViewController - iOS task manager like UI in UINavigationContoller.
• SectionedSlider - Control Center Slider.
• SelectionDialog - Simple selection dialog.
• ShadowView - Make shadows management easy on UIView.
• Shiny - Iridescent Effect View (inspired by Apple Pay Cash).
• ShowSomeProgress - Animated Progress and Activity Indicators for iOS apps.
• SkeletonView - An elegant way to show users that something is happening and also prepare them to which contents he is waiting.
• SKPhotoBrowser - Simple PhotoBrowser/Viewer inspired by facebook, twitter photo browsers.
• Spots - Spots is a view controller framework that makes your setup and future development blazingly fast.
• SpreadsheetView - Full configurable spreadsheet view user interfaces for iOS applications.
• StarryStars - Display & edit ratings, fully customizable from interface builder.
• StatefulViewController - Placeholder views based on content, loading, error or empty states.
• StepProgressView - Step-by-step progress view with labels and shapes. A good replacement for UIActivityIndicatorView and UIProgressView.
• Streamoji - Custom emoji rendering library with support for GIFs and images, UITextView extension.
• SweetCurtain - Really sweet and easy bottom pullable sheet implementation. You can find a similar implementation in applications like Apple Maps, Find My, Stocks, etc.
• SwiftyUI - High performance and lightweight UIView, UIImage, UIImageView, UIlabel, UIButton and more.
• TagListView - Simple but highly customizable iOS tag list view.
• Toaster - Notification toasts.
• TouchVisualizer - Lightweight touch visualization library with a single line of code.
• Twinkle - Easy way to make elements in your iOS app twinkle.
• UIPheonix - Easy, flexible, dynamic and highly scalable UI framework + concept for reusable component/control-driven apps.
• UltraDrawerView - Lightweight, fast and customizable Drawer View implementation identical to Apple Maps, Stocks and etc.
• URLEmbeddedView - Automatically caches the object that is confirmed the Open Graph Protocol, and displays it as URL embedded card.
• Wallet - A replica of the Apple's Wallet interface. Add, delete or present your cards and passes.
• Windless - Windless makes it easy to implement invisible layout loading view.
• WSTagsField - An iOS text field that represents different Tags.
• YMTreeMap - Treemap / Heatmap layout engine, based on Squarified.
• YNSearch - Awesome fully customizable search view like Pinterest.

Alert

Libs to display alert, action sheet, notification, popup. back to top

• Alertift - Modern, easy UIAlertController wrapper.
• Alerts Pickers - Advanced usage of UIAlertController with TextField, DatePicker, PickerView, TableView and CollectionView.
• ALRT - An easier constructor for UIAlertController. Present an alert from anywhere.
• AwaitToast - 🍞 An async waiting toast with basic toast. Inspired by facebook posting toast.
• CDAlertView - Highly customizable alert/notification/success/error/alarm popup.
• CFNotify - A customizable framework to create draggable alert views.
• EZAlertController - Easy UIAlertController.
• GSMessage - A simple style messages/notifications for iOS 7+.
• Hokusai - A library for a cool bouncy action sheet.
• Kamagari - Simple UIAlertController builder class.
• KRAlertController - A beautiful alert controller for your iOS.
• Loaf - A simple framework for easy iOS Toasts.
• NotificationBanner - The easiest way to display highly customizable in app notification banners in iOS.
• PMAlertController - PMAlertController is a great and customizable substitute to UIAlertController.
• PopupDialog - A simple, customizable popup dialog. Replaces UIAlertController alert style.
• PopupView - Toasts and popups library written with SwiftUI.
• SCLAlertView - Animated Alert view.
• Sheet - Actionsheet with navigation features such as the Flipboard App.
• SPAlert - Native popup from Apple Music & Feedback in AppStore. Contains Done & Heart presets.
• StatusAlert - Display Apple system-like self-hiding status alerts without interrupting user flow.
• SweetAlert - Alert system.
• Swift-Prompts - Design custom prompts with a great scope of options to choose from.
• SwiftEntryKit - A simple and versatile pop-up presenter.
• SwiftMessages - A very flexible message bar for iOS.
• SwiftOverlays - various popups and notifications.
• SwiftyDrop - Lightweight dropdown message bar.
• Toast-Swift - An easy to use library to create iOS 14 and newer style toasts.
• XLActionController - Fully customizable and extensible action sheet controller.
• Zingle - An alert will display underneath your UINavigationBar.

Blur

back to top

• VisualEffectView - UIVisualEffectView subclass with tint color.

Button

back to top

• AHDownloadButton - Customizable download button with progress and transition animations. It is based on Apple's App Store download button.
• DOFavoriteButton - Cute Animated Button.
• ExpandableButton - Customizable and easy to use expandable button.
• FloatingButton - Easily customizable floating button menu created with SwiftUI.
• Floaty - Floating Action Button for iOS.
• IGStoryButtonKit - Easy-to-use button with rich animation inspired by instagram stories.
• LGButton - A fully customisable subclass of the native UIControl which allows you to create beautiful buttons without writing any line of code.
• LTHRadioButton - A radio button with a pretty animation.
• MultiToggleButton - A UIButton subclass that implements tap-to-toggle button text (like the camera flash and timer buttons).
• NFDownloadButton - Revamped Download Button. It's kinda a reverse engineering of Netflix's app download button.
• PMSuperButton - A powerful UIButton with super powers, customizable from Storyboard.
• RadioGroup - The missing iOS radio buttons group.
• SwiftShareBubbles - Animated social share buttons control for iOS.
• TransitionButton - UIButton subclass for loading and transition animation.

Calendar

back to top

• CalendarKit - Fully customizable calendar day view.
• CalendarView - Calendar Component, It features both vertical and horizontal layout (and scrolling) and the display of native calendar events.
• DateTimePicker - A nicer iOS UI component for picking date and time.
• ElegantCalendar - The elegant full screen calendar missed in SwiftUI.
• HorizonCalendar - A declarative, performant, iOS calendar UI component that supports use cases ranging from simple date pickers all the way up to fully-featured calendar apps.
• JTAppleCalendar - UI calendar handler.
• Workaholic - A GitHub-like work contribution timeline.

Cards

back to top

• CardNavigation - A navigation controller that displays its view controllers as an interactive stack of cards.
• CardParts - A reactive, card-based UI framework built on UIKit for iOS developers.
• VerticalCardSwiper - A marriage between the Shazam Discover UI and Tinder, built with UICollectionView.

Form

back to top

• Carbon - 🚴 A declarative library for building component-based user interfaces in UITableView and UICollectionView.
• Eureka - Elegant iOS form builder.
• FDBarGauge - Simulate the level indicator on an audio mixing board
• Former - A fully customizable library for easy creating UITableView based form.
• ObjectForm - A simple yet powerful library to build form for your class models.
• SwiftForms - Forms are now easy as 1-2-3.
• SwiftyFORM - Forms that can be validated.

HUD

back to top

• EZLoadingActivity - Lightweight loading activity HUD.
• GradientLoadingBar - An animated gradient loading bar.
• KRProgressHUD - A beautiful and customizable progress HUD.
• PKHUD - Reimplementation of the Apple HUD.

Label

back to top

• ActiveLabel - UILabel drop-in replacement supporting Hashtags (#), Mentions (@) and URLs (http://).
• Atributika - TConvert text with HTML tags, links, hashtags, mentions into NSAttributedString. Make them clickable with UILabel drop-in replacement.
• CountdownLabel - Simple countdown UILabel with morphing animation, and some useful function.
• GlitchLabel - Glitching UILabel for iOS.
• IncrementableLabel - An UILabel subclass to (de)increment numbers in an UILabel.
• KDEDateLabel - An UILabel subclass that updates itself to make time ago's format easier.
• LTMorphingLabel - Graceful morphing effects for UILabel.
• Nantes - TTTAttributedLabel replacement.
• NumberMorphView - A label view for displaying numbers which can transition or animate using a technique called number tweening or number morphing.
• SMIconLabel - UILabel with image placed from left or right.
• Translucid - Lightweight library to set an Image as text background.
• TriLabelView - A triangle shaped corner label view for iOS.

Menu

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• AKSwiftSlideMenu - Slide Menu (Drawer).
• CircleMenu - CircleMenu is a simple, elegant UI menu with a circular layout and material design animations.
• ENSwiftSideMenu - Sliding side menu.
• FanMenu - Menu with a circular layout based on Macaw.
• FlowingMenu - Interactive view transition to display menus with flowing and bouncing effects.
• GuillotineMenu - Guillotine style menu.
• HHFloatingView - An easy to use and setup floating view for your app.
• InteractiveSideMenu - Customizable iOS Interactive Side Menu.
• KWDrawerController - Drawer view controller that easy to use.
• MediumMenu - A menu based on Medium iOS app.
• MenuItemKit - UIMenuItem with image and block (closure) support.
• Pagemenu - Pagination enabled view controller.
• PagingKit - PagingKit provides customizable menu UI.
• Panels - Panels is a framework to easily add sliding panels to your application.
• Parchment - A paging view controller with a highly customizable menu, built on UICollectionView.
• PopMenu - 😎 A cool and customizable popup style action sheet for iOS.
• SideMenu - Simple side menu control for iOS inspired by Facebook. Right and Left sides. No coding required.
• SlideMenuControllerSwift - iOS Slide Menu View based on Google+, iQON, Feedly, Ameba iOS app.
• SwipeMenuViewController - Swipable tab and menu View and ViewController.
• XLPagerTabStrip - Android PagerTabStrip for iOS.
• YNDropDownMenu - Adorable iOS drop down menu.

Pagination

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• CHIPageControl - A set of cool animated page controls to replace boring UIPageControl.
• FlexiblePageControl - A flexible UIPageControl like Instagram.
• iPages - Quickly implement swipable page views in SwiftUI 📝.
• Pageboy - A simple, highly informative page view controller.
• PageController - Infinite paging controller.
• SlideController - It is a nice alternative for UIPageViewController built using power of generic types. Swipe between pages with an interactive title navigation control. Configure horizontal or vertical chains for unlimited pages amount.

Payment

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• AnimatedCardInput - Customisable and easy to use Credit Card UI.
• Caishen - A Payment Card UI & Validator for iOS.
• iCard - Bank Card Generator using SnapKit DSL.
• MFCard - Easily integrate Credit Card payments in iOS App.
• TPInAppReceipt - A lightweight, pure-Swift library for reading and validating Apple In App Purchase Receipt locally.

Permissions

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• AREK - AREK is a clean and easy to use wrapper over any kind of iOS permission.
• Permission - A unified API to ask for permissions on iOS.
• SPPermission - Simple request permission with native UI and interactive animation.

StackView

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• StackViewController - Simplify the use of UIStackView.
• TZStackView - An iOS9 UIStackView layout component re-implemented for iOS 7 and 8.

Switch

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• MJMaterialSwitch - A Customizable Switch UI for iOS, Inspired from Google's Material Design.
• paper-switch - RAMPaperSwitch is a material design UI module which paints over the parent view when the switch is turned on.
• Switch - A switch control with full Interface Builder support.

Tab

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• Adaptive Tab Bar - Adaptive tab bar.
• Animated Tab Bar - RAMAnimatedTabBarController is a module for adding animation to tab bar items.
• CardTabBar - Adding animation to iOS tabbar items.
• CircleBar - A fun, easy-to-use tab bar navigation controller for iOS.
• ColorMatchTabs - Interesting way to display tabs.
• DTPagerController - Container view controller to display a set of ViewControllers in a horizontal scroll view.
• ESTabBarController - A highly customizable TabBarController component, which is inherited from UITabBarController.
• HHTabBarView - A lightweight customized tab bar view.
• PolioPager - A flexible TabBarController with search tab like SNKRS.
• Tabman - A powerful paging view controller with indicator bar.
• TabPageViewController - Paging view controller and scroll tab view.

Template

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• Stencil - Simple and powerful template language.
• SwiftCssParser - Extensible CSS parser.

TextField

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• CBPinEntryView - Easy to use, very customisable pin entry.
• CHIOTPField - A set of textfields that can be used for One-time passwords, SMS codes, PIN codes, etc.
• DTTextField - DTTextField is a custom textfield with floating placeholder and error label.
• FloatingLabelTextFieldSwiftUI - FloatingLabelTextFieldSwiftUI is a small and lightweight SwiftUI framework written in completely SwiftUI (not using UIViewRepresentable) that allows to create beautiful and customisable floating label textfield!
• HTYTextField - A UITextField with bouncy placeholder.
• iTextField ⌨️ - A fully-wrapped UITextField that works entirely in SwiftUI 🦅.
• PasswordTextField - A custom TextField with a switchable icon which shows or hides the password and enforces good password policies.
• SkyFloatingLabelTextField - A beautiful and flexible text field control implementation of "Float Label Pattern".
• StyledTextKit - Declarative building and fast rendering attributed string library.
• TextFieldCounter - UITextField character counter with lovable UX.
• TextFieldEffects - Several ready to use effects for UITextFields.
• UITextField-Navigation - UITextField-Navigation adds next, previous and done buttons to the keyboard for your UITextFields. Highly customizable.
• VKPinCodeView - Simple and elegant UI component for input PIN.

Transition

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• BubbleTransition - Bubble transition in an easy way.
• Cards XI - Awesome iOS 11 AppStore's Card Views.
• EasyTransitions - A simple way to create custom interactive UIViewController transitions.
• Hero - Elegant transition library for iOS.
• ImageTransition - ImageTransition is a library for smooth animation of images during transitions.
• Jelly - Jelly provides custom view controller transitions with just a few lines of code.
• MusicPlayerTransition - Custom interactive transition like Apple Music iOS App.
• PanSlip - Use PanGesture to dismiss view on UIViewController and UIView.
• PinterestSwift - Pinterest style transition.
• RevealingSplashView - A Splash view that animates and reveals its content, inspired by the Twitter splash.
• SamuraiTransition - Swift based library providing a collection of ViewController transitions featuring a number of neat cutting animations.
• SPLarkController - Custom transition between two controller. Translate to top.
• SPStorkController - Now playing controller from Apple Music. Customisable height.
• StarWars.iOS - Transition animation to crumble view-controller into tiny pieces.
• Transition - Easy interactive interruptible custom ViewController transitions.

3D

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• Insert3D - The fastest 🚀 way to embed a 3D model.

UICollectionView

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• ASCollectionView - Lightweight custom collection view inspired by Airbnb.
• AZCollectionViewController - Easy way to integrate pagination with dummy views in CollectionView, make Instagram Discover withing minutes.
• Blueprints - A framework that is meant to make your life easier when working with collection view flow layouts.
• BouncyLayout - Collection view layout that makes your cells bounce.
• CardsLayout - Nice card-designed custom CollectionView layout.
• CarLensCollectionViewLayout - An easy-to-use Collection View Layout for card-like animation.
• CenteredCollectionView - A lightweight UICollectionViewLayout that pages and centers it's cells.
• CheckmarkCollectionViewCell - UICollectionViewCell with checkbox when it isSelected and empty circle when not - like Photos.app 'Select' mode.
• CollectionViewShelfLayout - A UICollectionViewLayout subclass displays its items as rows of items similar to the App Store Feature tab without a nested UITableView/UICollectionView hack.
• CollectionViewSlantedLayout - UICollectionViewLayout to show slanted content.
• Drag and Drop UICollectionView - Dragging and Dropping data across multiple UICollectionViews.
• FSPagerView - Elegant Screen Slide Library. It is extremely helpful for making Banner View、Product Show、Welcome/Guide Pages、Screen/ViewController Sliders.
• Gliding Collection - Gliding Collection is a smooth, flowing, customizable decision for a UICollectionView Controller.
• GravitySlider - Beautiful alternative to the standard UICollectionView flow layout.
• ShelfView-iOS - iOS custom view to display books on shelf.
• SimpleSource - Easy and type-safe iOS table and collection views.
• SwiftSpreadsheet - Fully customizable spreadsheet CollectionViewLayout.
• TagCellLayout - UICollectionView layout for Tags with Left, Center & Right alignments.
• UICollectionViewSplitLayout - UICollectionViewSplitLayout makes collection view more responsive.
• VegaScroll - Lightweight animation flowlayout for UICollectionView.

UITableView

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• AZTableViewController - Elegant and easy way to integrate pagination with placeholder views.
• CollapsibleTableSectionViewController - A library to support collapsible sections in a table view.
• DGElasticPullToRefresh - Elastic pull to refresh.
• DiffableDataSources - 💾 A library for backporting UITableView/UICollectionViewDiffableDataSource.
• DTTableViewManager - Protocol-oriented UITableView management, powered by generics and associated types.
• ExpandableCell - Fully refactored YNExapnadableCell with more concise, bug free. Easiest usage of expandable & collapsible cell for iOS. You can customize expandable UITableViewCell whatever you like. ExpandableCell is made because insertRows and deleteRows is hard to use. Just inheirt ExpandableDelegate.
• ExpyTableView - Make your table view expandable just by implementing one method.
• FDTextFieldTableViewCell - Adds a UITextField to the cell and places it correctly.
• folding-cell - Folding cell transition.
• GridView - Can be customized as a time table, spreadsheet, paging and more.
• HGPlaceholders - Nice library to show placeholders and Empty States for any UITableView/UICollectionView in your project.
• OKTableViewLiaison - Framework to help you better manage UITableViews.
• ParallaxHeader - Simple way to add parallax header to UIScrollView/UITableView.
• Persei - Animated top menu for UITableView / UICollectionView / UIScrollView.
• PullToRefreshSwift - PullToRefresh library.
• QuickTableViewController - A simple way to create a UITableView for settings.
• ReverseExtension - UITableView extension that enables the insertion of cells the from bottom of a table view.
• SectionScrubber - A component to quickly scroll between collection view sections.
• SelectionList - Simple single-selection or multiple-selection checklist, based on UITableView.
• Shoyu - Easier way to represent the structure of UITableView.
• SwiftyComments - Nested hierarchy of expandable/collapsible cells to easily build elegant discussion threads.
• SwipeCellKit - Swipeable UITableViewCell based on the stock Mail.app.
• WLEmptyState - A component that lets you customize the view when the dataset of UITableView is empty.
• YNExpandableCell - Awesome expandable, collapsible tableview cell for iOS.

Walkthrough

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• AwesomeSpotlightView - Create tutorial or coach tour.
• BWWalkthrough - A class to build custom walkthroughs for your iOS App.
• ConcentricOnboarding - SwiftUI library for a walkthrough or onboarding flow with tap actions.
• Gecco - Spotlight view for iOS.
• Instructions - A library to create app walkthroughs and guided tours.
• OnboardKit - Customisable user onboarding for your iOS app.
• PaperOnboarding - PaperOnboarding is a material design UI slider.
• SuggestionsKit - Library for educating users about features in app.
• SwiftyOnboard - An iOS framework that allows developers to create beautiful onboarding experiences.
• SwiftyWalkthrough - The easiest way to create a great walkthrough experience in your apps.

Utility

Some interesting utilities to help you in your projects back to top

• AlexaSkillsKit - Develop custom Alexa Skills.
• ApplyStyleKit - Elegantly, Apply style to UIKit using Method Chain.
• Basis - Pure Declarative Programming.
• Bow - Companion library for Typed Functional Programming.
• Butterfly - A lightweight library for integrating bug-report and feedback features with shake-motion event.
• CallbackURLKit - Implementation of x-callback-url (Inter app communication).
• Closures - Swifty closures for UIKit and Foundation.
• Codextended - Extensions giving Codable API type inference super powers.
• Curry - Function currying.
• DeepDiff - Fast diff library.
• Delegated - Closure-based delegation without memory leaks.
• DifferenceKit - 💻 A fast and flexible O(n) difference algorithm framework.
• Differific - A fast and convenient diffing framework.
• Dollar - Similar to Lo-Dash or Underscore in Javascript.
• DuctTape - 📦 KeyPath dynamicMemberLookup based syntax sugar for Swift.
• EtherWalletKit - Ethereum Wallet Toolkit for iOS - You can implement Ethereum wallet without a server and blockchain knowledge.
• ExceptionCatcher - Catch Objective-C exceptions.
• EZSwiftExtensions - How standard types and classes were supposed to work.
• FluentQuery :penguin: - Powerful and easy to use Query Builder.
• FluxCapacitor - FluxCapacitor makes implementing Flux design pattern easily with protocols and typealias.
• Focus - Optics library (includes Lens, Prisms, and Isos) that is inspired by Haskell's Lens library.
• Highlighter - Highlight whatever you want! Highlighter will magically find UI objects such as UILabel, UITextView, UITexTfield, UIButton in your UITableViewCell or other Class.
• LifetimeTracker - Surface retain cycle / memory issues right as you develop your application.
• Lumos - An easy-to-use API for Objective-C runtime functions.
• ObjectiveKit - API for Objective C runtime functions.
• OpenSourceController - The simplest way to display the librarie's licences used in your application.
• Percentage - Make percentages more readable and type-safe.
• Playbook - 📘A library for isolated developing UI components and automatically snapshots of them.
• PrivacyFlash Pro - Generate a privacy policy for your Swift iOS app from its code.
• protobuf-swift - ProtocolBuffers.
• Prototope - Library of lightweight interfaces for prototyping, bridged to JS.
• R.swift - Tool to get strong typed, autocompleted resources like images, cells and segues.
• RandomKit :penguin: - Random data generation.
• ReadabilityKit - Preview extractor for news, articles and full-texts.
• ResourceKit - Enable autocomplete use resources.
• Result - Type modelling the success/failure of arbitrary operations.
• Rugby - 🏈 Cache CocoaPods for faster rebuild and indexing Xcode project.
• Runes - Functional operators: flatMap, map, apply.
• Solar - Calculate sunrise and sunset times given a location.
• SpriteKit+Spring - SpriteKit API reproducing UIView's spring animations with SKAction.
• Sugar - Something sweet that goes great with your Cocoa.
• swift-protobuf :penguin: - A plugin and runtime library for using Google's Protocol Buffer.
• Swiftbot - run swift code on slack.
• SwifterSwift - A handy collection of more than 500 native extensions to boost your productivity.
• SwiftGen-Storyboard - A tool to auto-generate enums for all your Storyboards, Scenes and Segues constants + appropriate convenience accessors.
• SwiftLinkPreview - It makes a preview from an url, grabbing all information such as title, relevant texts and images.
• SwiftPlantUML - A command-line tool and Swift Package to generate UML class from your Swift source code. Also available as Xcode Source Editor Extension.
• SwiftRandom - A tiny generator of random data.
• SwiftRater - A utility that reminds your iPhone app's users to review the app.
• SwiftTweaks - Tweak your iOS app without recompiling.
• Swiftx - Functional data types and functions for any project.
• SwiftyUtils - All the reusable code that we need in each project.
• Swiftz - Functional programming.
• Then - Super sweet syntactic sugar for initializers.
• TSAO - Type-Safe Associated Objects.
• URLQueryItemEncoder - An Encoder for encoding any Encodable value into an array of URLQueryItem.
• UTIKit - an UTI (Uniform Type Identifier) wrapper.
• Vaccine - Make your apps immune to recompile-decease.
• WeakableSelf - A micro-framework to encapsulate [weak self] and guard statements within closures.
• WhatsNew - Showcase new features after an app update similar to Pages, Numbers and Keynote.
• WhatsNewKit - Showcase your awesome new app features.
• XestiMonitors - An extensible monitoring framework.
• ZamzamKit - A collection of micro utilities and extensions for Standard Library, Foundation and UIKit.

Validation

A collection of validation libs. back to top

• ATGValidator - Rule based validation framework with form and card validation support for iOS.
• FormValidatorSwift - Allows you to validate inputs of text fields and text views in a convenient way.
• Input Mask - Pattern-based user input formatter, parser and validator for iOS.
• RxValidator - Simple, Extensible, Flexible Validation Checker.
• SwiftValidator - A rule-based validation library.
• SwiftValidators - String validation for iOS (inspired by validator.js).
• ValidatedPropertyKit - Easily validate your Properties with Property Wrappers 👮.
• Validator - Drop in user input validation for your iOS apps.

Phone Numbers

Libs to manage phone numbers. back to top

• NKVPhonePicker - An UITextField subclass to simplify country code's picking.
• PhoneNumberKit - Framework for parsing, formatting and validating international phone numbers. Inspired by Google's libphonenumber.

Version Manager

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• AppVersionMonitor - Monitor iOS app version easily.
• Siren - Notify users when a new version of your app is available and prompt them to upgrade.
• Version - Version represents and compares semantic versions.
• Version Tracker Swift - Versions tracker for your iOS, OS X, and tvOS app.

Video

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• BMPlayer - A video player for iOS, based on AVPlayer, support the horizontal, vertical screen. support adjust volume, brigtness and seek by slide.
• Cabbage - A video composition framework build on top of AVFoundation.
• Kitsunebi - Overlay alpha channel video animation player view using OpenGLES.
• MMPlayerView - Custom AVPlayerLayer on view and transition player with good effect like YouTube and Facebook.
• MobilePlayer - A powerful and completely customizable media player for iOS.
• NextLevelSessionExporter - Export and transcode media.
• Player - iOS video player, simple drop in component for playing and streaming media.
• PlayerView - Easy to use video player using a UIView, manage rate of reproduction, screenshots and callbacks-delegate for player state.
• PryntTrimmerView - Trim and crop videos.
• SwiftFFmpeg - A wrapper for the FFmpeg C API.
• SwiftVideoBackground - Easy to Use UIView subclass for implementating a video background.
• Swifty360Player - iOS 360-degree video player streaming from an AVPlayer.
• VGPlayer - A simple iOS video player, support play local and network, background playback mode, automatic caching while playing.
• YiVideoEditor - a library for rotating, cropping, adding layers (watermark) and as well as adding audio (music) to the videos.

Serverless

• Azure Functions for Swift :penguin: - Swift Worker for Azure Functions.

Contributing

Please take a quick look at the contribution guidelines first. If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file. Thank you to all contributors; you rock!!