jQuery mobile framework takes the “write less, do more” mantra to the next level: Instead of writing unique apps for each mobile device or OS, the jQuery mobile framework allows you to design a single highly-branded web site or application that will work on all popular smartphone, tablet, and desktop platforms
Appcelerator Titanium is a next-generation mobile platform that can be used to develop apps for Apple and Android. You can use Appcelerator Titanium to build table views, switches, tabs and popovers. It also enables easy integration with mobile devices’ cameras and files stored on the devices. Moreover, if you want to avoid learning Objective-C and Android SDK, Appcelerator Titanium offers several helpful tips.
LimeJS is a HTML5 game framework for building fast, native-experience games for all modern touchscreens and
jQTouch is a jQuery plugin for mobile web development on the iPhone, Android, iPod Touch, and other forward-thinking devices.