High-efficiency minimalist C++ wrapper for OpenGL 4.3
JavaScript framework to build game engines, games, emulators and apps
Molecular viewer and prototyping framework
IGS Labs
X3D Prototypes for the SMUOS Component
Asphyre is a cross-platform framework for Delphi and FreePascal.
Open Game Bootstrap
Gives agents personality, moods, emotions and emotional attachments.
3D Interactive sandbox environment
Pear3DEngine is a modern and modular 3D development framework
A cross-platform OpenGL based lightweight scenegraph library
Game framework on top of Python, Panda3D and Twisted
Basic real-time simulation engine in C++