Codeplex: Download SLK from here
http://www.codeplex.com/SLK
Microsoft on SLK:
http://www.microsoft.com/education/SLK.mspx
Learning Gateway
http://www.learninggateway.net
Learning Gateway Web Parts
http://www.codeplex.com/LG
Microsoft Blog for Higher Education
http://blogs.msdn.com/ukhe/
Moddle Web Parts for MOSS
http://www.codeplex.com/Moodle2003WP