CodePlex is Microsoft’s open source project hosting web site. You can use CodePlex to create new projects to share with the world, join others who have already started their own projects, or use the applications on this site and provide feedback.
Just learn a great news to Subversion developers that CodePlex will add SVN support, and is expected to be released on 2007.06.05. CodePlex is offering a wide variety of client tools for accessing this open source community, that includes CodePlex souce control client, Teamprise client, and Visual Studio Team Explorer.
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~ Subversion support (SVN)
~ CodePlex source control client
~ Free (as in beer) Teamprise license for CodePlex users
~ What clients can I use for source control?