jQuery

jQuery is a cross-browser JavaScript library designed to simplify the client-side scripting of HTML. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.

Free Open Source Web

DHTMLX

DHTMLX is a JavaScript library that provides a comprehensive set of UI widgets and makes building web apps easy. Develop killer web apps with DHTMLX!

Freemium Web

Ext JS

Ext JS is a JavaScript library for building interactive web applications using techniques such as Ajax, DHTML and DOM scripting. Ext includes interoperability with jQuery and Prototype.

Commercial Web

Zepto.js

Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API.

Free Open Source Web

Dojo Toolkit

Dojo Toolkit is an open source modular JavaScript library (or more specifically JavaScript toolkit) designed to ease the rapid development of cross-platform...

Free Open Source Web

Umbrella JS

Intuitive and Documented It is strongly influenced by jquery with many similar methods so you'll feel at ease developing with Umbrella. However there are also some...

Free Open Source Web Self-Hosted

MooTools

MooTools (My Object-Oriented Tools) is a lightweight, object-oriented, web-application framework for JavaScript.

Free Open Source Web

Enyo

Enyo is a JavaScript app framework enabling developers build native-quality HTML5 apps that run everywhere — from phones and tablets to PCs and TVs.

Free Open Source Mac OS X Windows Linux Android iPhone

YUI

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

Free Open Source Mac OS X Windows Linux

qooxdoo

qooxdoo is a universal JavaScript framework that enables you to create applications for a wide range of platforms. With its object-oriented programming model you build...

Free Open Source Web

Bliss JS

No lock-in, no wrapper objects Designed to work with Vanilla JS, not replace it. Light as a feather Only 3KB minified & gzipped! Chaining without prototype...

Free Open Source Web

AJS

AJS is a ultra lightweight JavaScript library that is around 2 years old. It is inspired by MochiKit, but differs by being small and expressive. The current version is...

Free Open Source Web

JayData

JayData is a standards-based, cross-platform JavaScript library and a set of practices to access and manipulate data from various online and offline sources.

Free Open Source Web

MochiKit

MochiKit is a highly documented and well tested suite of JavaScript libraries that will help you get things done, fast. It takes good ideas found in Python, Objective-C...

Free Open Source Web

Nombo

Nombo is an Open Source Node.js framework that allows you to easily build Rich Cloud Applications.

Free Open Source Mac OS X Windows Linux

PKI.js

PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications (signing, encryption, certificate requests, OCSP and TSP...

Free Open Source Web Self-Hosted GitHub

script.aculo.us

script.aculo.us is a JavaScript library built on the Prototype JavaScript Framework, providing dynamic visual effects and user interface elements via the Document Object...

Free Open Source Mac OS X Windows Linux Prototype

Wink Toolkit

Wink Toolkit is a lightweight JavaScript toolkit which will help you build great mobile web apps. It is designed and developed to meet the specific constraints of the...

Free Open Source Web

X Library

X is a collection of loosely-bound, cross-browser, Javascript functions and objects. It is intended to be a resource from which you pick and choose - you do not have to...

Free Open Source Web