Is there a free version of Sencha touch out there?

I'm looking for a framew开发者_如何学运维ork to create touch optimized websites. Sencha and ExtJS look awesome, but don't appear to be free

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Sencha touch is available for free under a GPL or a commercial license, both of them at no charge.

See http://www.sencha.com/products/touch/download/ and http://www.sencha.com/products/touch/license/.

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Ext JS comes with a dual license:

http://extjs.com/products/license.php

So yes, if you open source your application with a license compatible with the GNU GPL license v3.