id Software

DOOM

DOOM Open Source Release

Quake-III-Arena

Quake III Arena GPL Source Release

DOOM-3-BFG

Doom 3 BFG Edition

Quake

Quake GPL Source Release

DOOM-3

Doom 3 GPL source release

Quake-2

Quake 2 GPL Source Release

quake2-rerelease-dll

wolf3d

The original open source release of Wolfenstein 3D

DOOM-iOS

DOOM Classic for iOS Source Release

wolf3d-browser

WOLF3D Browser Version GPL source release

RTCW-SP

Return to Castle Wolfenstein Single Player GPL Source Release

Enemy-Territory

Wolfenstein: Enemy Territory GPL Source Release

Wolf3D-iOS

Wolfenstein 3D for iOS Source Release

Quake-Tools

The source release of the Quake tools and utilities

RTCW-MP

Return to Castle Wolfenstein Multiplayer GPL Source Release

DOOM-IOS2

Doom Classic for iOS version 2

Quake-2-Tools

Quake 2 Tools GPL Source Release

idsetup

This is the source for the setup program included with DOOM, Final DOOM, Strife, etc.

GtkRadiant

GtkRadiant GPL Source Release

quake-rerelease-qc