Clean-room reimplementation of Half-Life: Deathmatch and Half-Life (Experimental) in QuakeC.

Clean-room Counter-Strike 1.5 in QuakeC, using Nuclide SDK. Previously known as OpenCS! (2016)

Archive of all Quake 1 bots.

Bite-sized QuakeC VM written in C

Archive of all official Quake 1 releases.

Software Development Kit for id Tech

Play the Quake engine in your browser! True to the original. Supports WebGL, software-rendered mode, mods, and mission packs.

Clean and bug-fixed Quake game code.

Clean-room reimplementation of Team Fortress Classic in QuakeC.

Clean-room reimplementation of Gunman Chronicles in QuakeC.

Top-down shooter mod for Quake, via the FTEQW sourceport and CSQC.

Quake Essentials. Better than what a licencee of id would get in 1996. For even more goodness to base your game off of, see https://github.com/VeraVisions/nuclide

Clean-room reimplementation of Opposing Force in QuakeC.

All manuals on QuakeC in one place

TeamFortress Quake Archive

2048 game remake on Quake engine

Quake II QC progs.dat

Archive of all versions of ThreeWave CTF

Clean-room reimplementation of Poke646 in QuakeC.

Emacs major mode for QuakeC development