DroidScript, Qt Creator, Convertigo, Adobe AIR, Infinite Monkeys, jQuery Mobile, B4X, Appcelerator Titanium, Mobile Angular UI, Tigerappsuite, MyEclipse, MobBase, Skeeble, AppFlight, RhoMobile, Kurogo Mobile Platform, Mooestro Mobile Education Platform, AppArchitect, Airplay SDK, eMobc, Trigger.IO, Calatrava, Magentrix, 10Duke SDK, IBM Worklight, MoSync, appMobi, MonoTouch are some alternatives to Sencha Touch.