Java decentralized cross-platform network multiplayer game engine
evolution for vegastrike SpaceSim/Combat/Trade game
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
Multimedia asset management and manipulator for Étoilé
Cross-platform C framework very compact libraries and tools.
A 2D Adventure Game & Engine
Modular Gaming Open Source Persistent Browser Based Game Framework
A mobile tower 3D tower defense/defend the flag game
A world editor for HGE game engine written in python and uses OpenGL.
C++ Framework for slot machine games
A cross-platform game framework based on OpenGL and GObject.
2D Game Engine, based on OpenGL and focused on Isometric Games
A retro style video game engine for RPGs and adventure games.
3D game engine for C and C++
A graphics engine + toolkit.
Create your own animated characters for games with ease!
Game development toolkit
An open source skateboard games engine written in C# and .NET.
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
Phobos editor is a generic resource editing system.