OgreWin3D
Vivid3D is a C++ IDE/3D engine, with python scripting.
Updated emulator of Forgotten Realms: Unlimited Adventures
2D Game Engine
A 2D game engine and level editor
A real-time game development platform
Lego Island 2 Game Editor
IRB is a game creation toolkit
2D ARPG Engine
computer simulation for my raspberry pi
evolution for vegastrike SpaceSim/Combat/Trade game
Animation graph editor.
3D Game engine
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A game development kit for Sifteo Cubes.
A retro style video game engine for RPGs and adventure games.
3D world editor for game development
Phobos editor is a generic resource editing system.
Pear3DEngine is a modern and modular 3D development framework
cross-platform 2d game engine
Delphi-like IDE for cross-platform game development