Lumina is a visual game creation environment for building 3D games.
Vivid3D is a C++ IDE/3D engine, with python scripting.
OgreWin3D
Updated emulator of Forgotten Realms: Unlimited Adventures
A 2D game engine and level editor
2D ARPG Engine
evolution for vegastrike SpaceSim/Combat/Trade game
3D Game engine
cross-platform 2d game engine
Map and logic editor