Able Player : Able Player is a fully accessible cross-browser media player. It uses the HTML5 or element for browsers that support them, and (optionally) the JW P...
Mobile HTML5 compatibility : HTML5 compatibility on mobile and tablet browsers with testing on real devices
Strut : An HTML5 Presentation Editor. A GUI / Authoring Tool for ImpressJS and Bespoke.js
Source at https://github.com/tantaman/Strut
wysihtml5 : an open source rich text editor based on HTML5 technology and the progressive-enhancement approach.
