As a Microsoft VSTS ranger, I come across some interesting TFS add-ons on occasion.   The recently introduced Free Telerik TFS Manager and Dashboard tool seems impressive.  Most of the features enhance SCRUM/Agile methodology shops but can be used for any methodology.

Main Page
http://www.telerik.com/products/tfsmanager-and-tfsdashboard/tfs-work-item-manager-features.aspx

Features

• Work Item grid filtering, grouping, and aggregation
• Area and Iteration filtering using single and multi select modes
• Filter query results using a tree of areas or iterations
• Unique Task board view of work items independent from any process template
• Print work item cards for the board in your room
• Iteration schedule
• Paste as New/Current work item
• "New by example" saves your query for other team members
• Search the title and description of query results as you type