Ext JS Quick Reference (Ext JS 101)

convert from ext js 3 to ext js 4
ext js 4 quick reference
ext js 3 quick reference

Sencha Touch Quick Reference (Sencha Touch 101)

sencha touch quick reference 101

SocialExt, the Ext JS Framework

SocialExt is a framwork that enhances Ext JS. There are many ways to do the same thing using Ext JS. The SocialExt framework identifies best practices on what options to use in which circumstances. SocialExt makes your Ext JS development faster, easier to maintain and easier to work on with a group of developers.