ExtJS is object oriented, intuitive, very extensive, great DOM manipulation, solid effects. Ext JS 4 brings a whole new way to build client applications, by introducing the popular model-view-controller pattern to Ext JS.

What's NEW in ExtJS 5

Ladies and gentlemen, I’m very proud and excited to announce the beta release of ExtJS 5 which comes with a lot of new features and improvements:

  • Tablet support and new themes

  • New Application Architecture: MVVM (standing for Model-View-ViewModel)

  • MVC improvements

  • Routing

  • Data Package Improvements

  • Model Validation Binding

  • Event System

  • Sencha Charts

  • Grids (easier to add new components to grids)

  • Widgets

  • Form Package Improvements

  • Dashboards

and much more… see the entire list with examples and documentation here: http://docs.sencha.com/extjs/5.0.0/whats_new/5.0/whats_new.html

About License

ExtJS is a commercial framework. Ext JS 4.2.1 is also available under the GPLv3 for open source projects, which may require the release of your code. Public releases of Sencha Touch, Sencha Touch Charts, Sencha Ext JS and Sencha GXT are all available under GPL v3. Sencha Touch Grid, Sencha Architect, and Sencha Cmd are only available under a Sencha commercial license and are not available under any open source license. More about the open source license here: http://www.sencha.com/legal/open-source-faq/

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