C library for manipulating Minecraft world data
A game development kit for Sifteo Cubes.
A retro style video game engine for RPGs and adventure games.
2D Game Engine, based on OpenGL and focused on Isometric Games
Scriptable frontend for media applications.
GameWizzard is a Sprite editor.
Hungry Hero is an open source Flash game built on Starling Framework.
Open source network game service
Create your own animated characters for games with ease!
3D world editor for game development
A tool for editing OHRRPGCE RPG files
A very small multi-platform game engine for creating desktop games.
An open source skateboard games engine written in C# and .NET.
Little game background framework in java.
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
Phobos editor is a generic resource editing system.