Panagiotis Psonis
Freeware
Conquest3D is a 3D game built from scratch using Visual C++ (Win32 API).
NVIDIA / Spellcraft Studio
4
Open source
OGRE is a scene-oriented, flexible 3D engine written in C++.
1
Quake2xp Team
12
Open source
Quake 2 is a based engine with glsl per pixel lighting effects and more.
Damian Trebilco
5
Freeware
GLIntercept is a OpenGL 1.0-2.1 function call interceptor.
Alexandre Mutel
10
Freeware
NShader is an extension to Visual Studio 2008/2010.