jQPad Framework - jQPad is an iPad web development framework which makes iPad compatible websites easy! It uses jQuery and some awesome CSS techniques. Its very easily theme-able and also has some features which makes life for iPad development so much easier!
jQuery Mobile: Touch-Optimized Web Framework for Smartphones & Tablets A unified user interface system across all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI foundation. Its lightweight code is built with progressive enhancement, and has a flexible, easily themeable design. Alpha Release Notes