LaTeX. in C#. (ported from the wonderful iosMath project)
OpenFlight (.flt) importer for the Unity game engine.
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine
Unity3D DIS(1278.1) Implementation
A web-browser based viewer for opensim/OpenSimulator
FIX engine library for .NET
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor