Stars
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
Intelligent database cleaner for integration tests
Just like System.Web.Abstractions, but for System.IO. Yay for testable IO access!
.NET wrapper for WinPcap written in C++/CLI and C#, which features almost all WinPcap features and includes a packet interpretation framework.
C# Framework for automated testing of Windows application based on WinFroms and WPF platforms.
Building a Game with .NET and Orleans - On .NET Live
Samples and content for a talk about .net performance analysis tools.