Platform DOKEOS
DOKEOS is an open source elearning and course management web application translated in 34 languages and helps more than 1.000 organisations worldwide to manage learning and collaboration activities.

DOKEOS is also a company helping these organisations launch and develop blended learning programmes.

www.dokeos.com

Platform LO-NET
LO-NET is a an open source platform for educational collaboration. At the moment only available in German language. But there will be a new version in February 2006  with new features and an English version.

LO-NET helps you to administrate your Comenius activities and to work together with your students and partners. Additionally you are able to create your courses too.

http://www.lo-net.de/