GLScene Engine for Delphi & C++Builder VCL Windows 32/64
C++ header-only library that simulates GLSL math
Free vector,quaternion,matrix math library
Multi-Language Wrapper Collection for the Irrlicht Engine
A 3D rendering / entity engine
Game engine supporting many 3D/2D formats and graphic effects
Obsolete: use https://github.com/VMML/vmmlib