Safire
A framework for building iPhone web applications.
About
Safire is an open source framework written in HTML/CSS/JS
It make's building/porting applications to the iPhone ridiculously easy.
How to use it
Simply follow the set of rules for your HTML listed in the wiki. Your HTML code instructs the javascript code.
See it in action
Zillow on the iPhone - http://izillow.net
Indeed (Job Search on the iPhone) - http://vimeo.com/1714661
