Helix Toolkit is a collection of 3D components for .NET
About The high-speed OpenGL, OpenCL bindings library
3D Engine c++
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++.
A modern media player, wrote in C# & C++. Based on the Iris3D engine.
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
3D .NET engine for Windows, Linux, Mac
Software to restore cyclorama (360 deg. panorama) from photos
XNA based game engine completely written in c#
A cross-platform game framework based on OpenGL and GObject.
Spectrum on MonoGame using Bass.net
A continuation of the abandoned Tao Framework project.
Investigo - DX9 Performance and Debugging Toolkit
Multi-Language Wrapper Collection for the Irrlicht Engine
A c# 2D Vector Graphics Library - and more.