Free game engine for development of desktop, mobile, and web games
Cross-platform 2D and 3D game engine with modular architecture
Source code repository of the FreeOrion project
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Mini game engine for games104
2D Game Engine with Lua Scripting made on top of SFML
The Atomic Game Engine is a multi-platform 2D and 3D engine
Multimedia asset management and manipulator for Étoilé
C++ Framework for slot machine games