Awesome JavaScript

A collection of awesome browser-side JavaScript libraries, resources and shiny things.

Awesome JavaScript
- Package Managers
- Loaders
- Testing Frameworks
- MVC Frameworks
- Templating Engines
- Data Visualization
- Editors
- Utilities
  - Functional Programming
  - Date
  - String
  - Number
  - Storage
  - Color
  - I18n And L10n
  - Class
  - Control Flow
  - Routing
  - Security
- UI
- Maps
- Animations
Other Awesome Lists
Contributing

Package Managers

Host the javascript libraries and provide tools for fetching and packaging them.

Bower - A package manager for the web.
component - Client package management for building better web applications.
spm - Brand new static package manger.
browserify - Browser-side require() the node.js way.
jam - A package manager using a browser-focused and RequireJS compatible repository.
yepnope.js - An Asynchronous Conditional Resource Loader.
jspm - Frictionless browser package management.
Ender - The no-library library.
volo - Create front end projects from templates, add dependencies, and automate the resulting projects.

Loaders

Module or loading system for JavaScript.

RequireJS - A file and module loader for JavaScript.
SeaJS - A Module Loader for the Web.
HeadJS - The only script in your HEAD.
curl - A small, fast, extensible module loader that handles AMD, CommonJS Modules/1.1, CSS, HTML/text, and legacy scripts.
lazyload - Tiny, dependency-free async JavaScript and CSS loader.
script.js - Asyncronous JavaScript loader and dependency manager.

Testing Frameworks

Frameworks

mocha - Simple, flexible, fun javascript test framework for node.js & the browser.
jasmine - DOM-less simple JavaScript testing framework.
qunit - An easy-to-use JavaScript Unit Testing framework.
jest - Painless Javascript Unit Testing.

Assertion

chai - BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Sinon.JS - Test spies, stubs and mocks for JavaScript.
expect.js - Minimalistic BDD-style assertions for Node.JS and the browser.

Coverage

istanbul - Yet another JS code coverage tool.
blanket - A simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.
JSCover - JSCover is a tool that measures code coverage for JavaScript programs.

Runner

phantomjs - Scriptable Headless WebKit.
slimerjs - A PhantomJS-like tool running Gecko.
casperjs - Navigation scripting & testing utility for PhantomJS and SlimerJS.
zombie - Insanely fast, full-stack, headless browser testing using node.js.
totoro - A simple and stable cross-browser testing tool.
karma - Spectacular Test Runner for JavaScript.

MVC Frameworks

angular.js - HTML enhanced for web apps.
backbone - Give your JS App some Backbone with Models, Views, Collections, and Events.
ember.js - A JavaScript framework for creating ambitious web applications.
ractive - Next-generation DOM manipulation.
vue - Intuitive, fast & composable MVVM for building interactive interfaces.
knockout - Knockout makes it easier to create rich, responsive UIs with JavaScript.
spine - Lightweight MVC library for building JavaScript applications.
canjs - Can do JS, better, faster, easier.

Templating Engines

Templating engines allow you to perform string interpolation.

mustache.js - Minimal templating with {{mustaches}} in JavaScript.
handlebars.js - An extension to the Mustache templating language.
hogan.js - A compiler for the Mustache templating language.
doT - The fastest + concise javascript template engine for nodejs and browsers.
dustjs - Asynchronous templates for the browser and node.js.
eco - Embedded CoffeeScript templates.
JavaScript-Templates - < 1KB lightweight, fast & powerful JavaScript templating engine with zero dependencies.
t.js - A tiny javascript templating framework in ~400 bytes gzipped.

Data Visualization

Data visualization tools for the web.

d3 - A JavaScript visualization library for HTML and SVG.
three.js - JavaScript 3D library.
Chart.js - Simple HTML5 Charts using the tag.
paper.js - The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas.
fabric.js - Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser.
peity - Progressive bar, line and pie charts.
raphael - JavaScript Vector Library.
echarts - Enterprise Charts.
vis - Dynamic, browser-based visualization library.
two.js - A renderer agnostic two-dimensional drawing api for the web.
g.raphael - Charts for Raphaël.
sigma.js - A JavaScript library dedicated to graph drawing.
arbor - A graph visualization library using web workers and jQuery.
cubism - A D3 plugin for visualizing time series.
dc.js - Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js
vega - A visualization grammar.
envisionjs - Dynamic HTML5 visualization.
rickshaw - JavaScript toolkit for creating interactive real-time graphs.
flot - Attractive JavaScript charts for jQuery.
morris.js - Pretty time-series line graphs.
nvd3 - Build re-usable charts and chart components for d3.js
svg.js - A lightweight library for manipulating and animating SVG.
heatmap.js - JavaScript Library for HTML5 canvas based heatmaps.
jquery.sparkline - A plugin for the jQuery javascript library to generate small sparkline charts directly in the browser.
xCharts - A D3-based library for building custom charts and graphs.
trianglify - Low poly style background generator with d3.js
d3-cloud - Create word clouds in JavaScript.
d4 - A friendly reusable charts DSL for D3.
dimple.js - Easy charts for business analytics powered by d3

There're also some great commercial libraries, like amchart and highchart.

Editors

ace - Ace (Ajax.org Cloud9 Editor).
CodeMirror - In-browser code editor.
esprima - ECMAScript parsing infrastructure for multipurpose analysis.
quill - A cross browser rich text editor with an API.
medium-editor - Medium.com WYSIWYG editor clone.
pen - enjoy live editing (+markdown).
jquery-notebook - A simple, clean and elegant text editor. Inspired by the awesomeness of Medium.
bootstrap-wysiwyg - Tiny bootstrap-compatible WISWYG rich text editor.
ckeditor-releases - The best web text editor for everyone.
editor - A markdown editor. still on development.
EpicEditor - An embeddable JavaScript Markdown editor with split fullscreen editing, live previewing, automatic draft saving, offline support, and more.
jsoneditor - A web-based tool to view, edit and format JSON.

Functional Programming

Functional programming libraries to extend JavaScript’s capabilities.

underscore - JavaScript's utility _ belt.
lodash - A utility library delivering consistency, customization, performance, & extras.
Sugar - A Javascript library for working with native objects.
lazy.js - Like Underscore, but lazier.
ramda - A practical functional library for Javascript programmers.

Date

Date Libraries.

moment - Parse, validate, manipulate, and display dates in javascript.
moment-timezone - Timezone support for moment.js.
jquery-timeago - A jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
timezone-js - Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data.

String

String Libraries.

underscore.string - String manipulation extensions for Underscore.js javascript library.
string.js - Extra JavaScript string methods.
he - A robust HTML entity encoder/decoder written in JavaScript.
multiline - Multiline strings in JavaScript.
query-string - Parse and stringify URL query strings.
URI.js - Javascript URL mutation library.
jsurl - Lightweight URL manipulation with JavaScript.
sprintf.js - A sprintf implementation.

Number

Numeral-js - A javascript library for formatting and manipulating numbers.
odometer - Smoothly transitions numbers with ease.
accounting.js - A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
money.js - A tiny (1kb) javascript currency conversion library, for web & nodeJS.

Storage

store.js - LocalStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood.
localForage - Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.
jStorage - jStorage is a simple key/value database to store data on browser side.
basket.js - A script and resource loader for caching & loading scripts with localStorage.
jquery-cookie - A simple, lightweight jQuery plugin for reading, writing and deleting cookies.
Cookies - JavaScript Client-Side Cookie Manipulation Library.

Color

randomColor - A color generator for JavaScript.
chroma.js - JavaScript library for all kinds of color manipulations.
color - JavaScript color conversion and manipulation library.
colors - Smarter defaults for colors on the web.
PleaseJS - JavaScript Library for creating random pleasing colors and color schemes.

I18n And L10n

Localization (i18n) and internationalization (l10n) JavaScript libraries.

Class

klass - A utility for creating expressive classes in JavaScript.
augment - The world's smallest and fastest classical JavaScript inheritance pattern.

Control Flow

async - Async utilities for node and the browser.
q - A tool for making and composing asynchronous promises in JavaScript.
step - An async control-flow library that makes stepping through logic easy.

Routing

director - A tiny and isomorphic URL router for JavaScript.
page.js - Micro client-side router inspired by the Express router (~1200 bytes).
pathjs - Simple, lightweight routing for web browsers.
crossroads - JavaScript Routes.
davis.js - RESTful degradable JavaScript routing using pushState.

Security

DOMPurify - A DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG.
js-xss - Sanitize untrusted HTML (to prevent XSS) with a configuration specified by a Whitelist.

Loading Status

Libraries for indicate load status.

NProgress - Slim progress bars for Ajax'y applications.
Spin.js - A spinning activity indicator.
progress.js - Create and manage progress bar for every objects on the page.
pace - Automatically add a progress bar to your site.
topbar - Tiny & beautiful site-wide progress indicator.
nanobar - Very lighweight progress bars. No jQuery.
PageLoadingEffects - Modern ways of revealing new content using SVG animations.
SpinKit - A collection of loading indicators animated with CSS.
Ladda - Buttons with built-in loading indicators.
css-loaders - A collection of loading spinners animated with CSS.

Besides libraries, there're Collection on Codepen, and generators like Ajaxload, Preloaders and CSSLoad.

Validation

Parsley.js - Validate your forms, frontend, without writing a single line of javascript.
jquery-validation - jQuery Validation Plugin.
validator.js - String validation and sanitization.
validate.js - Lightweight JavaScript form validation library inspired by CodeIgniter.

Keyboard Wrappers

mousetrap - Simple library for handling keyboard shortcuts in Javascript.
keymaster - A simple micro-library for defining and dispatching keyboard shortcuts.
Keypress - A keyboard input capturing utility in which any key can be a modifier key.
KeyboardJS - A JavaScript library for binding keyboard combos without the pain of key codes and key combo conflicts.
jquery.hotkeys - jQuery Hotkeys lets you watch for keyboard events anywhere in your code supporting almost any key combination.
jwerty - Awesome handling of keyboard events.

Tours And Guides

intro.js - A better way for new feature introduction and step-by-step users guide for your website and project.
shepherd - Guide your users through a tour of your app.
bootstrap-tour - Quick and easy product tours with Twitter Bootstrap Popovers.
tourist - Simple, flexible tours for your app.
chardin.js - Simple overlay instructions for your apps.
pageguide - An interactive guide for web page elements using jQuery and CSS3.
hopscotch - A framework to make it easy for developers to add product tours to their pages.
joyride - jQuery feature tour plugin.

Notifications

messenger - Growl-style alerts and messages for your app.
noty - jQuery notification plugin.
pnotify - JavaScript notifications for Bootstrap, jQuery UI, and the Web Notifications Draft.
toastr - Simple javascript toast notifications.
humane-js - A simple, modern, browser notification system.
smoke.js - Framework-agnostic styled alert system for javascript.

Sliders

Swiper - Mobile touch slider and framework with hardware accelerated transitions.
slick - The last carousel you'll ever need.
FlexSlider - An awesome, fully responsive jQuery slider plugin.
unslider - The simplest jQuery slider there is.
colorbox - A light-weight, customizable lightbox plugin for jQuery.
fancyBox - A tool that offers a nice and elegant way to add zooming functionality for images, html content and multi-media on your webpages.
sly - JavaScript library for one-directional scrolling with item based navigation support.
vegas - A jQuery plugin to add beautiful fullscreen backgrounds to your webpages. It even allows Slideshows.
Sequence - CSS animation framework for creating responsive sliders, presentations, banners, and other step-based applications.

Form Widgets

Input

typeahead.js - A fast and fully-featured autocomplete library.
tag-it - A jQuery UI plugin to handle multi-tag fields as well as tag suggestions/autocomplete.
At.js - Add Github like mentions autocomplete to your application.
Placeholders.js - A JavaScript polyfill for the HTML5 placeholder attribute.
fancyInput - Makes typing in input fields fun with CSS3 effects.
jQuery-Tags-Input - Magically convert a simple text input into a cool tag list with this jQuery plugin.

Calendar

pickadate.js - The mobile-friendly, responsive, and lightweight jQuery date & time input picker.
bootstrap-datepicker - A datepicker for @twitter bootstrap forked from Stefan Petre's (of eyecon.ro), improvements by @eternicode.
Pikaday - A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS.
fullcalendar - Full-sized drag & drop event calendar (jQuery plugin).

Select

selectize.js - Selectize is the hybrid of a textbox and select box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.
select2 - a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.
chosen - A library for making long, unwieldy select boxes more friendly.

File Uploader

jQuery-File-Upload - File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery.
dropzone - Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
flow.js - A JavaScript library providing multiple simultaneous, stable, fault-tolerant and resumable/restartable file uploads via the HTML5 File API.
fine-uploader - Multiple file upload plugin with progress-bar, drag-and-drop, direct-to-S3 uploading.
FileAPI - A set of javascript tools for working with files. Multiupload, drag'n'drop and chunked file upload. Images: crop, resize and auto orientation by EXIF.
plupload - A JavaScript API for dealing with file uploads it supports features like multiple file selection, file type filtering, request chunking, client side image scaling and it uses different runtimes to achieve this such as HTML 5, Silverlight and Flash.

Other

form - jQuery Form Plugin.
Garlic.js - Automatically persist your forms' text and select field values locally, until the form is submitted.
Countable - A JavaScript function to add live paragraph-, word- and character-counting to an HTML element.
card - Make your credit card form better in one line of code.

Tips

tipsy - Facebook-style tooltips plugin for jQuery.
opentip - An open source javascript tooltip based on the protoype framework.
qTip2 - Pretty powerful tooltips.
tooltipster - A jQuery tooltip plugin.
simptip - A simple CSS tooltip made with Sass.

Modals and Popups

Magnific-Popup - Light and responsive lightbox script with focus on performance.
jquery-popbox - jQuery PopBox UI Element.
jquery.avgrund.js - A jQuery plugin with new modal concept for popups.
vex - A modern dialog library which is highly configurable and easy to style.
bootstrap-modal - Extends the default Bootstrap Modal class. Responsive, stackable, ajax and more.
css-modal - A modal built out of pure CSS.

Scroll

skrollr - Stand-alone parallax scrolling library for mobile (Android + iOS) and desktop. No jQuery.
scrollMonitor - A simple and fast API to monitor elements as you scroll.
headroom - Give your pages some headroom. Hide your header until you need it.
onepage-scroll - Create an Apple-like one page scroller website (iPhone 5S website) with One Page Scroll plugin.
iscroll - iScroll is a high performance, small footprint, dependency free, multi-platform javascript scroller.

Maps

Leaflet - JavaScript library for mobile-friendly interactive maps.
gmaps - The easiest way to use Google Maps.
polymaps - A free JavaScript library for making dynamic, interactive maps in modern web browsers.
kartograph.js - Open source JavaScript renderer for Kartograph SVG maps.
mapbox.js - Mapbox JavaScript API, a Leaflet Plugin.
jqvmap - jQuery Vector Map Library.