Sencha
Welcome to Ext JS 5.0!
Ext JS 5.0 is a pure JavaScript application framework that works everywhere from IE8 to the latest Chrome. It enables you to create the best cross-platform applications using nothing but a browser, and has a phenomenal API.
What’s New
Check out our new features and changes in the What's New Guide:
Upgrading
Check out our upgrade guides to see what has changed.
Sencha also offers training courses and professional services for companies wishing to use Ext JS 5.