What is the name of this Visual Studio 2010 plugin?

I'm watching the PluralSight tutorial videos, and duri开发者_Go百科ng one of the code samples I noticed this in the solution explorer.

What is the name of the plugin/tool that lists the All Open Unsaved Edited in the solution explorer?

It's a Solution Navigator - part of Productivity Power Tools by Microsoft.

Its a Solution Navigator. You can read about it from this link

http://blogs.msdn.com/b/visualstudio/archive/2010/07/20/solution-navigator-blog-post.aspx?PageIndex=4