Ext JS is not free. Ext JS is only free for open source projects, they are dual licensed. They used to be free, but they "clarified" their rules. http://www.ext

Ext JS is not free. Ext JS is only free for open source projects, they are dual licensed. They used to be free, but they "clarified" their rules. http://www.extjs.com/products/license.php http://www.extjs.com/products/license.php