Currently, I'm playing around with TFS (Team Foundation Server), and here's just a quick linkdump of some TFS tools, mainly on CodePlex.
http://msdn2.microsoft.com/en-us/vstudio/aa718351.aspx#cipp
http://www.codeplex.com/TFSAdmin
http://www.codeplex.com/automation
http://www.codeplex.com/TFSCodeReviewFlow
http://www.codeplex.com/tfsconsole
http://www.codeplex.com/TfsPowerPack