A free rendered GUI library providing windowing and widgets for the easy creation of HUDs for games. It supports themes/skinning, XML-based configuration, and works with any graphics API or rendering engine including Axiom, Irrlicht, and SDL.NET.
The ILS Engine (Irrlicht#) is a high performance port of the popular Irrlicht Graphics Engine. Rewritten completely in C#, it provides a pure .NET assembly for any .NET based graphics project.