mSafdel

.NET Architecture Checker
3D Calculator
51Degrees.mobi - Mobile Device Detection and Redirection
AMF: ASP.NET Mobile Framework
Bird Hunt
Catel - WPF, Silverlight and Windows Phone 7 MVVM toolkit
Coding4Fun's ScriptTD
DEngine - C# XNA 2D Game Engine
Dynamic Data Display
EasyDP
Family.Show
Farseer Physics Engine
Farsi BlogEngine
Fluid - Windows Mobile .NET Touch Controls
FluidKit
GridView for Windows Phone 7
Huo Chess
Microsoft Media Platform: Player Framework
MVVM Light Toolkit
NKinect