JavaScript
- Backbase
- CJAX
- Clean AJAX
- Dojo Toolkit
- Echo
- Ext
- Gecco
- Himle
- JAK (JavaScript API Kernel)
- JQuery
- Microsoft AJAX Library
- midori
- Mochikit
- MooTools
- Morfik, server side and client side.
- My Library
- OpenLink AJAX Toolkit
- Prototype JavaScript Framework
- qooxdoo
- Rialto Toolkit
- Rico
- Script.aculo.us
- SmartClient
- Spry framework
- VineAjax
- Yahoo! UI Library
- Comparison of JavaScript frameworks