I see many sites that list various TFS tools available for download, and this is one another attempt to track that list. I'll keep adding & updating the list in this post as I come across sites, so that it'll help me when I am looking for a tool, and will help my blog readers too

Assorted lists of tools & addins for TFS:

http://kaschimer.com/blogs/way2early4this/archive/2007/03/09/list-of-tools-and-add-ins-for-tfs-vsts.aspx 

http://blogs.microsoft.co.il/blogs/srlteam/archive/2006/10/22/Team-System-Utilities.aspx

http://bloggingabout.net/blogs/mglaser/archive/2006/12/12/Ten-Must_2D00_Have-Tools-Every-TFS-User-Should-Download-Now-Part-II.aspx

Tools listed in accentient.com: http://accentient.com/widgets.aspx 

http://blogs.msdn.com/davidmcg/archive/2007/03/09/team-foundation-server-tools.aspx

Codeplex projects tagged tfs: http://www.codeplex.com/Project/ProjectDirectory.aspx?ProjectSearchText=tfs