MooTools

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...

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!

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

Dojo Toolkit is an open source modular JavaScript library (or more specifically JavaScript toolkit) designed to ease the rapid development of cross-platform, JavaScript/Ajax-based applications and web sites.

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.

Prototype is a JavaScript Framework that aims to ease development of dynamic web applications. Prototype provides various functions for developing JavaScript applications. The features range from programming...

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 mobile environment.

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 only …

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, etc. and …

Rico is a JavaScript library for creating rich internet applications. Version 1 is JavaScript only. Versions 2 & 3 include server-side code (asp, asp.net, and php) to make creating web …

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 rich, interactive applications (RIAs),...

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 …

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.