Eureka is a cross-platform map editor for the DOOM engine games.

Cross-Platform OpenGL Doom Source Port with powerful modding features

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

Main Repo for "Aetherius" (for Doom1/2 w/ GZDoom)

A kung-fu-powered archive and asset manager for classic idTech games.

"Explosive Expedition" Character/RPG modification based on the character Dinah Wyck from Dynamite Duchess/Appetite For Detention/Carnival of Souls, for GZDoom. No mod-specific ACS unlike Aetherius, only ZScript :V

DOOM 1 & 2 .wad tools for creating and extracting wad files (WIP)

Pure-Go Quake 1 (id Tech 1, 1996) engine — hand-ported from tyrquake, CGO=0, bare-metal TamaGo target. 100% coverage discipline.

Biff Fraggar is a Freedoom-inspired id Tech 1 game under the GPL license.

Discord Bot that sends/recvs UDP packets for idTech1 and idTech2 games.

Pure-Go DOOM (id Tech 1, 1993) engine. Hand-port lineage id Software 1997 -> AndreRenaud/gore -> go-doom/engine. Bare-metal TamaGo backend, CGO=0, 4-gate provable-test protocol.