The vibrant Open Source CodePlex Community now hosts one of the most popular platforms for building professional blogs and User Group frameworks: DotNetNuke


“DotNetNuke will utilize CodePlex for download infrastructure, bandwidth, and metrics reporting for its core product offerings. Until now, DotNetNuke had been leveraging services from SourceForge.Net. DotNetNuke is also currently the second most commonly downloaded project on CodePlex”


Link to: DotNetNuke Moves to CodePlex - Port 25: The Open Source Community at Microsoft