C# graphics library used for 3D modeling, built with OpenGL/OpenTK
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
3D .NET engine for Windows, Linux, Mac
A "derivative" of RICOH THETA viewer
A continuation of the abandoned Tao Framework project.
.NET CoverFlow WindowsForms Control
A modern 3D App framework using OpenCL to render via raytracing