Michel Perfetti just released Fissum 0.4 with source code on Codeplex.
Fissum is a TFS Client it provides a direct access to your work items without opening the team explorer
Get some more screenshots here.
I am an experienced Team Leader & Distinguished Solution Architect with a passion for shipping high-quality products by empowering development team and culture toward an agile mindset. I bring technical vision and strategy, leading engineering teams to move product, processes and architecture forward.
Team Leader, Distinguished Solutions Architect