More Coolness...

http://www.yaml.de/en/home.html
"Yet Another Multi-Column Layout" - incredible JAVA CSS layout engine.

http://www.ohloh.net/p?sort=users&q=training
Ohloh - this is an interesting site that examines the open source community projects out there from many different angles. Extremely cool.

http://www.olat.org/website/en/html/about_features.html
It is open source and therefore free of charge
The Java based framework can handle over 700 students simultaneously on one standard Linux server. If you install an OLAT-cluster (available since OLAT 6.1) you can serve even more students!
Thanks to its simple and intuitive web frontend, users will learn how to work with OLAT in no time
OLAT uses cutting edge AJAX/Web 2.0 technology and the layout is based on the CSS framework YAML
It is multilingual (UTF8) and offers translations for over 30 languages. The new translation tool 2009 makes OLAT translation simpler than ever!
OLAT supports eLearning standards such as SCORM, IMS Content Packaging or QTI