1)   KNOCKS VS2005 Addins 1.0
KNOCKS VS2005 Addin is an "all-in-one" add-in that integrates with Visual Studio .NET 2005 and provides features to improve your productivity while coding and designing and debugging.
Visual Studio Addin,

 2)   Code Summarizer 3.1
Code Summarizer is a Visual Studio package (Add-In) designed to ease code navigation and code browsing. Code Summarizer is an interactive map to your C++/C# code. With Code Summarizer you see big picture and details at the same time.
Visual Studio Addin, Productivity tool, C++/C#, Code Mapping, Code Navigation, Code Outliner,