Here are some tools I find very handy in my day to day use of TFS. 

TitleURLDescription
Microsoft Visual Studio Team Foundation Server 2012 Power Tools http://visualstudiogallery.msdn.microsoft.com/b1ef7eb2-e084-4cb8-9bc7-06c3bad9148f Power Tools are a set of enhancements, tools, and command-line utilities that increase productivity of Team Foundation Server scenarios.
Team Foundation Server Administration Too http://tfsadmin.codeplex.com The TFS Administration Tool allows Team Foundation Server administrators to manage user permissions on all three platforms utilized by Team Foundation Server:
  • Team Foundation Server,
  • SharePoint, and
  • SQL Server Reporting Services
TFS Team Project Manager http://teamprojectmanager.codeplex.com TFS Team Project Manager automates various tasks across Team Projects in Team Foundation Server. If you find yourself managing multiple Team Projects for an organization and have recurring tasks and questions that repeat themselves over and over again, Team Project Manager probably has some answers for you.
TFS 2012 Sidekicks http://www.attrice.info/cm/tfs/index.htm Team Foundation Sidekicks is a suite of tools for Microsoft Team Foundation Server administrators and advanced users providing Graphic User Interface for administrative and advanced version control tasks in multi-user TFS environments.
MSBuild Sidekick http://www.attrice.info/msbuild/index.htm MSBuild Sidekick allows you to view, edit, build and debug Microsoft Visual Studio© 2005, 2008, 2010 and 2012 project files (C#, VB.Net and C++), Microsoft Team Build project files, Visual Studio© 2005, 2008, 2010 and 2012 solution files as well as custom MSBuild projects. While providing rich Graphic User Interface, integrated build/debug and extensive logging capabilities, the application requires only .Net runtime (2.0, 4.0 or 4.5) to operate.
Work Item Query Administration http://wiqadmin.codeplex.com Work Item Query Administration (wiqadmin) is command-line utility to manage work item queries in Team Foundation Server.

 

Hopefully you'll find them handy as well.

Cheers!