Jsconf.eu-2010 is a project mainly written in ..., it's free.
Demos for the jsconf.eu
Demos in the repo:
And by popular demand:
Clone the repo install node.js and coffeescript and then run
cake watch
in the root of the demos.
All code is © 2010, 9elements and is released under the MIT License. Feel free to email us with any questions or feedback.