MQtest.io — A simple tool to help identify which media queries your device responds to.
It’s Curtains for Marital Strife Thanks to getUserMedia
First, Understand Your Screen
Freebie: Responsive jQuery Slider Plugin Flexslider
Anatomy of a HTML5 Mobile App
Sencha Touch The First HTML5 Mobile App Framework
WebKit Remote Debugging
This is neat :) "WebKit Remote Debugging" via @Ziteapp
Mobile HTML5 Boilerplate
CoffeeScript
CoffeeScript is a little language that compiles into JavaScript. Think of it as JavaScript's less ostentatious kid brother — the same genes, roughly the same height, but a different sense of style.
Hedwig
SproutCore Touch for iPhone and iPad
PhoneGap | Cross platform mobile framework
PhoneGap is an open source development tool for building fast, easy mobile apps with JavaScript.
TextMate Bundle for jQTouch : Jonathan Stark
Sweeet
jQTouch
AjQuery plugin for mobile web development on the iPhone, iPod Touch, and other forward-thinking devices.