Player for embedding in your website. It plays Flash and HTML5, automatically choosing the appropriate one for the end user's browser and connection.

a blog with incredible coding for iPad viewers of the blog. it uses HTML5 to respond to swipes to load the site as well as to turn pages à la iBooks.

hNews allows metadata for journalistic works. It is based upon hAtoms, a metadata format for blogging. This is the specification for hNews, along with links to examples.

compliance checker

The only open source mobile framework that supports 6 platforms. PhoneGap is an HTML5 app platform that allows you to author native apps with web technologies & get access to APIs and app stores. Works with Dreamweaver CS5.

Public repo for the latest HTML5 JavaScript shim for IE to recognise and style the HTML5 elements.

speaking at the London Ajax Meetup | Christian Heilmann's blog – Wait till I come!
A speech given in early 2011, with the aim to reclaim HTML5 for programmers, not marketing people.

O'Reilly book on development of Android apps with JavaScript, HTML5, and CSS3. Valuable info like developing web app first for testing, making animations so web app runs like a native app, submission of app to App Store, using client-side data storage so app runs even without connectivity. How to develop one product for several platforms.

O'Reilly book on development of iOS apps with JavaScript, HTML5, and CSS3. Valuable info like developing web app first for testing, making animations so web app runs like a native app, submission of app to iTS, using client-side data storage so app runs even without connectivity. How to develop one product for several platforms.

Use HTML5, CSS3, and JavaScript to write iOS apps (using this NimbleKit software, which is an XCode library).

by Kristofer D. Layon. Teaches how to use HTML5, CSS3, and JavaScript to write iOS apps (using NimbleKit software, which is an XCode library). This book is available on Kindle & paperback. This site includes links to the book & downloads to help use the book.

samples you can experiment with, sample code, tutorials

Learn web development & design from video tutorials. $25/mo. Higher subscription costs have other benefits as well.

Modernizr is a small and simple JavaScript library that helps you take advantage of emerging web technologies (CSS3, HTML 5) while still maintaining a fine level of control over older browsers that may not yet support these new technologies. JavaScript library which detects browser support for CSS3 and HTML5 features. It does not add functionality, but it provides browser-side detection for what features can be used with that browser. Even lets you use some semantic elements of HTML5 with MSIE.

Nixonland Enhanced Version fails EpubCheck but made it to the iBookstore nonetheless. It violates the object element, but properly (in HTML5) uses video element, pointing to iBooks' probably support for HTML5. Author predicts HTML5 support in future EPUB standards. She includes an experimental video-enhanced book for iBooks for readers to take apart and analyze.

Compares open-source encoders for several codecs—Ogg Vorbis (Theora), H.264 (Base, Main, & High profiles), MPEG-4 (XviD), MPEG-2, Dirac (wavelet), all at several logarithmic-ratio bit-rates—showing encoding & decoding times as well as performance against SSIM (an automated measure of visual quality). Nice feature: two sample images with buttons below allowing quick comparisons of codecs at two bit-rates (500 kbps & 1000 kbps).

tutorial building a webpage using the new standards.

W3Schools comes to the rescue with tutorials for HTML5 as strong as their tutorials for every other area of web development.

while we wait for Dreamweaver & other application support for HTML5, we can try out HTML5 code online

in the style of OReilly books

document(s) from the Working Group developing HTML5

this plugin to Dreamweaver CS5 adds functionality to do HTML5 / CSS3 development.