This an update of sorts on some things happening in the HTML5/Javascript world. First, here are some previous posts on this topic, to catch you up to speed:

What is the Platform of the Future for Developing Interactive Graphical Educational Software? – I argue for HTML5/Javascript, since Java and Flash do not run on (all) mobile/tablet platforms

A Snapshot of the HTML5/Javascript Universe – a listing of various open source projects, libraries, and tools available to use

Browser-Based IDEs – this is the future, I believe – doing coding in the browser. Some updates are discussed below (cloud9 IDE, and a web-based version of eclipse)

Some Exciting New HTML5/Javascript and Related Projects

Here are some interesting new software projects and libraries and tools I’ve run across since my previous HTML5 post: