Anatomy of a HTML5 Mobile App
Sencha Touch The First HTML5 Mobile App Framework
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.
ProtoFluid - HTML5 and CSS3 Web App Prototyping
Test your @media queries and web app on various screen sizes
Safari Reference Library
The Safari Reference Library provides detailed information for web developers on iPhone, iPod touch, Mac, and PC. These resources include guides and articles, API reference documents, sample code, release notes, and technical notes. Use these resources to learn about Safari's developer tools, visual effects, HTML and CSS support, JavaScript and DOM support, and other features and technologies. The library is organized by Topics and Resource Types
Let’s Take This Offline - Dive Into HTML 5
In depth HTML5 storage - excellent as usual
Time Zones
RT @petebw: really awesome HTML5 timezone app for iPad (and compatible desktop browsers) #html5 #ipad