- AccDC
- Ample SDK
- AngularJS
- Backbone.js
- Cappuccino
- CupQ
- D3js
- Datejs
- DHTMLX
- Dojo Toolkit
- Ember.js
- Echo
- Enyo
- Ext
- FUEL
- FuncJS
- Glow
- Google Closure Library
- Google Web Toolkit
- Handlebars.
- iX Framework
- Joose
- jQuery
- jQuery UI
- jQWidgets
- jsPHP
- Knockout
- LESS (stylesheet language)
- Lively Kernel
- Microsoft’s Ajax library
- midori
- Mochikit
- MooTools
- Node.js
- Pdf.js
- Processing.js
- Prototype JavaScript Framework
- Protovis
- qooxdoo
- Raphaël
- Rialto Toolkit
- Rico
- Script.aculo.us
- SmartClient
- Socket.io
- SproutCore
- Spry framework
- SWFObject
- Three.js
- Underscore.js
- Wakanda Framework
- YUI Library
Complete List of JavaScript Libraries is a post from: Hits 1,000