SharePoint and CodePlex
If you're looking for more SharePoint goodness then check out the SharePoint Projects on CodePlex.
Highlights include :-
The Community Kit for SharePoint is a set of best practices, templates, Web Parts, tools, and source code that enables practically anyone to create a community website based on SharePoint technolog...
The SharePoint Learning Kit is a community-source eLearning tool that integrates with Learning Gateway. Rich content is supported with full SCORM 2004 compliance and basic functions are supported
The Faceted Search extension to MOSS 2007.
And many more .. .. .. ..