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...
Streeme : Streeme can serve music to most HTML5 compliant browsers and smartphone handsets using the computer you already own.
Shumway : Shumway is an HTML5 technology experiment that explores building a faithful and efficient renderer for the SWF file format without native code assista...
wysihtml5 : an open source rich text editor based on HTML5 technology and the progressive-enhancement approach.
