HTML5

Browser Support

Comparison of layout engines (HTML) - Wikipedia, the free encyclopedia
Internet Explorer 9: Testing Center
The HTML5 test - How well does your browser support HTML5?
What's my IP?, What's my browser? ~ FindMeByIP ~

Drag and Drop

Cross Browser HTML5 Drag and Drop
Drag and Drop in Firefox 3.5
Drag Operations - MDC Doc Center

Examples

HTML5 Gallery | A showcase of sites using HTML5 markup

Forms

A Form of Madness - Dive Into HTML5
A List Apart: Articles: Forward Thinking Form Validation

Generators

Style Master CSS Editor for Windows and Mac OS X

JavaScript

Head JS :: The only script in your HEAD
html5shiv - Project Hosting on Google Code
http://html5shim.googlecode.com/svn/trunk/html5.js
Modernizr

Offline Apps

Let’s Take This Offline - Dive Into HTML5
Building iPhone Apps with HTML, CSS, and JavaScript
Debugging HTML 5 Offline Application Cache : Jonathan Stark

Outliners

HTML 5 Outliner

Resources

HTML 5 And CSS3 Cheat Sheets Collection
HTML5

Templates

52Framework - first ever html5 and css3 framework
HTML5 Boilerplate - A rock-solid default for HTML5 awesome.
HTML5 Starter Pack by Radu Chelariu | Sickdesigner.com

Tutorial

Dive Into HTML5
HTML5 and The Future of the Web - Smashing Magazine
HTML5 Doctor, helping you implement HTML5 today
What Beautiful HTML Code Looks Like | CSS-Tricks

Videos

HTML5 Video
HTML5 Video Player | VideoJS
Using audio and video in Firefox - MDC Doc Center
Video on the Web - Dive Into HTML5