The ioquake3 community effort to continue supporting/developing id's
A modern, cross-platform Quake game engine based on FitzQuake.
My addon for GAME: WW2GI,N.A.M.,Duke Nukem 3D,Blood,Shadow Warrior
Open source FPS/RTS Game
Superproject containing build scripts and tools to download assets
Retro game engine for creating games like it's 1997
Source port of Doom, Heretic, Hexen and Strife developed in Delphi
Quake PAK file utility
PAK file editor for Quake engine games
3D-Accelerated open-source DOOM engine
Quake Engine Map Viewer
Game engine for playing tomb raider 1 - 5 levels.
A simple map launcher for Quake.
Quake III Arena GPL Source Release
Free and open source FPS based on Quake III Arena