There are 3 repositories under id-software topic.
Wolfenstein 3D style game engine implemented in haskell
RtcwPro - Competition Mod for Return to Castle Wolfenstein
Wolfenstein 3D Game Engine implemented in java using only standard libraries (Java2D, AWT, Swing and Java Sound API), so no external libraries is required. The current version supports only the Shareware version. Video: https://youtu.be/_-DBxbrOXPM
All books on all Quake games
A small collection of information about id software and their games.
Wolfenstein 3D re-implementation in Rust
Very simple IMF music player written in Assembly 8086. Video: https://youtu.be/ifqq7reyNa0
Information about the software of and software updates for the Volkswagen ID. series electric vehicles (BEVs, e.g. VW ID.3, ID.4, etc.)
Rust port of Catacomb II (SDL)
RayCasting graphical engine a-la 1992 id Software Wolfenstein 3D written in plain C for X11 MacOS display server
This project involves creating a pseudo 3D game engine that uses raycasting and binary space partitioning techniques to render 3D environments on an OLED display powered by an Arduino.
Web based ID badge software written in PHP