Java decentralized cross-platform network multiplayer game engine
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Multimedia asset management and manipulator for Étoilé
Cross-platform C framework very compact libraries and tools.
AutoTeach makes kids study and learn in exchange for internet access.
a game library to develop audio games
Multi-threaded 2D Renderer licensed under the Mozilla Public License
C++ Framework for slot machine games
3D Interactive sandbox environment
A multiplatform game engine for interactive fiction experiences
2D Game Engine, based on OpenGL and focused on Isometric Games
Scriptable frontend for media applications.
A lightweight HTML5 Game Engine
Pear3DEngine is a modern and modular 3D development framework
DiaT is a Textadventure
Simple Point & Click Game