A Java math library for OpenGL rendering calculations
A game engine powered by python and panda3d
Gideros Release version
3D space trading and combat game
Zig game engine & graphics toolkit
Game engine supporting many 3D/2D formats and graphic effects
Official implementation of DreamCraft3D
GemRB is a portable open-source implementation of the Infinity Engine
A modern, cross-platform Quake game engine based on FitzQuake.
Master programming by recreating your favorite technologies
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A cross-platform port of Hexen II game.
Orx: Portable Game Engine
A free 3d game for PC that does not limit the player. Fight,Build,Gain
MathMod is a mathematical modeling software
Opengate is a Jumpgate remake
A fun realistic multiplayer free-and-open-source first-person-shooter!