Tree Generator is a .NET library for generating 3D models of trees and forests.
Axiom is a cross-platform 3D rendering engine for .NET and Mono. The Axiom Engine is a high-performance C# port of the powerful OGRE engine and provides full support for DirectX, OpenGL, and XNA.
A Remote Desktop Protocol (RDP) client.
A control protocol for various astronomical instruments (telescopes, CCDs, etc).