HTML5 Video Player | VideoJS
Responsive Web Design: Helpful Articles, Techniques & Tutorials
Anatomy of a HTML5 Mobile App
Quoting and citing with , , , and the cite attribute | HTML5 Doctor
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Site-ready HTML5: Second IE10 Platform Preview Available for Developers - IEBlog - Site Home - MSDN Blogs
Discovering CSS3 positioned floats in IE10 2nd plateform preview
Sencha Touch The First HTML5 Mobile App Framework
8 Fast and Furious Tools to speed up your CSS and HTML Coding Time
HTML5 and CSS3 Snippets Every Web Developer Show Know
Powerful New CSS Techniques and Tools
30 Examples of Websites Using HTML5
X-UA-Compatible and HTML5 | 456 Berea Street
How to fix the validation error
Adactio: Journal—Sea change
Responsive design
Mobile HTML5 Boilerplate
.htaccess at master from paulirish's html5-boilerplate - GitHub
A must have - awesome
HTML5 Custom Data Attributes (data-*) | HTML5 Doctor
Custom data attributes are intended to store custom data private to the page or application, for which there are no more appropriate attributes or elements.
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.
Sencha - Sencha Animator
Create CSS3 Animations with Ease
Web Directions South 2010 Opening Titles
RT @stop: Mind blown. Bar raised. @themaninblue's title sequence for WDS, using HTML, CSS, and JS: (view in Chrome)
Ultimate List of HTML5 and CSS3 Tools | Admix Web
great tools that can help you to master these new features of both HTML5 and CSS3
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
10 tips for designing mobile websites | These Days Labs
HTML5Rocks - Best Practices for a Faster Web App with HTML5
Google's tips and playground
Announcing an HTML5 mobile app framework for touch devices
check this out
Time Zones
RT @petebw: really awesome HTML5 timezone app for iPad (and compatible desktop browsers) #html5 #ipad
Apple - HTML5 and web standards
Demos to show how the latest version of Apple’s Safari web browser, new Macs, and new Apple mobile devices all support the capabilities of HTML5, CSS3, and JavaScript
Hedwig
SproutCore Touch for iPhone and iPad
HTML5 presentation
Online presentation of HTML5, CSS3 and Javascript's new APIs - brilliant!
HTML5 Readiness
Compare browser support of HTML5/CSS3 features