Ext JS is a pure JavaScript application
framework for building interactive web applications using techniques such as Ajax,DHTML and DOM scripting.
The main features of Ext JS is GUI Control
Ext JS includes a set of GIU control for Web Application
Control Like
- Charts
- Grid
- Calendar
- Web Desktop
- Tabs
- Windows
- Tree
- Layout Manager
- Drawing
- Drag and Drop
- Toolbar and Manus
- ComboBox
- DataView
- Forms
You can download Ext JS from
http://www.sencha.com/products/extjs/features/