An interactive viewer for three-dimensional chemical structures.
Xj3D is an open-source Java codebase for the X3D Graphics standard.
C++ header-only library that simulates GLSL math
3D Without Boundaries
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Webgl Engine
an interactive 3D viewing program
Pear3DEngine is a modern and modular 3D development framework
A C++ library to easily create GUI-editable objects
Game engine supporting many 3D/2D formats and graphic effects