Awesome JavaScript

A curated list of amazingly 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
    • Storage
    • Color
    • I18n And L10n
    • Selector
    • Class
    • Event
    • Control Flow
  • UI
    • Loading Status
    • Validation
    • Keyboard
    • Tours And Guides
    • Notifications
    • Sliders
• Other Awesome Lists

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

• 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.
• 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.
• istanbul - Yet another JS code coverage tool.
• JSCover - JSCover is a tool that measures code coverage for JavaScript programs.
• 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.

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.
• Chart.js - Simple HTML5 Charts using the tag.
• 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.

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.

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.

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.

I18n And L10n

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

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.
• css-loaders - A collection of loading spinners animated with CSS.

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

Other Awesome Lists

Other amazingly awesome lists can be found in the awesome-awesomeness list.