The definitive source of the best
JavaScript libraries, frameworks, and plugins.

  • Twitterlib

    Twitter JavaScript API library

  • Use.js

    An AMD/RequireJS plugin for consuming incompatible JavaScript files.

  • Visibility.js

    Visibility.js allows you to determine whether your web page is visible to a user, is hidden in background tab or is prerendering. It allows you to use the page visibility state in JavaScript logic and improve browser performance by disabling unnecessary timers and AJAX requests, or improve user interface experience (for example, by stopping video playback or slideshow when user switches to another browser tab).

  • Head js

    The only script in your HEAD. Head JS loads JavaScript files in parallel like images without blocking the page. Your page will be faster. Even with a single combined file.

  • Handlebars.js

    Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. An extension to the Mustache templating language created by Chris Wanstrath.

  • Gas

    Google Analytics on Steroids. A Google Analytics implementation with more power features.

  • YUI3

    YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.

  • Ember

    Ember.js is a JavaScript framework that does all of the heavy lifting that you'd normally have to do by hand. There are tasks that are common to every web app; Ember.js does those things for you, so you can focus on building killer features and UI.

  • Eve.js

    A <3kb JavaScript file providing three simple methods to organize code into CSS namespaces which magically restrict code to the current context, allowing for dramatic reductions to code size and development time.

  • Dojo

    Dojo saves you time and scales with your development process, using web standards as its platform. It’s the toolkit experienced developers turn to for building high quality desktop and mobile web applications.

  • Davis.js

    RESTful degradable JavaScript routing using pushState

  • Backbone

    Give your JS App some Backbone with Models, Views, Collections, and Events

  • Alloy Ui

    Alloy is a UI metaframework that provides a consistent and simple API for building web applications across allthree levels of the browser: structure, style and behavior.

  • Angular.js

    AngularJS lets you write client-side web applications as if you had a smarter browser. It lets use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly

  • History.js

    History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTools and Prototype. For HTML5 browsers this means that you can modify the URL directly, without needing to use hashes anymore. For HTML4 browsers it will revert back to using the old onhashchange functionality.

  • Underscore

    JavaScript's utility _ belt