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

Software Development Kit for id Tech

Archive of all official Quake 1 releases.

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.

Clean-room reimplementation of Opposing Force in QuakeC.

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

All manuals on QuakeC in one place

TeamFortress Quake Archive

2048 game remake on Quake engine

Quake II QC progs.dat

Clean-room reimplementation of Poke646 in QuakeC.

Archive of all versions of ThreeWave CTF

Clean-room reimplementation of They Hunger in QuakeC.