Mobile Web Development Tools: jQuery Mobile & DHTMLX Touch
jQuery Mobile is built on top of the popular jQuery framework for the standard web the main difference being that jQuery Mobile is optimized for touch-screen devices like mobile phones. The package includes standard layouts like lists, panes, and overlays and all kinds of UI elements including toggles, sliders, and tabs. They are also making the effort to support CSS3 so that you can fully customize the appearance of your apps. Another plus for jQuery Mobile is its small footprint at just 12k. Here are some related links:
A nice gallery of jQuery Mobile apps.
jQuery Mobile tips.
Quick start with DHTMLX Touch
Visual Designer video and intro.