UZDoom is a feature centric port for all Doom engine games, based on GZDoom, adding an advanced renderer and powerful scripting capabilities

The most cuddly Doom Source Port, with an emphasis on innovative and quality-of-life features.

The Eternity Engine

Small, functional and simple source ports, created with help, efforts and bits of code from people around the world.

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

Freedoom is an entirely free software game based on the Doom engine.

The classic, refined DOOM source port. For Windows PC.

This is a cleaned up copy of the PrBoom+ SVN repository as a courtesy for those interested in forking that port

This is a launcher GUI for the dsda-doom source port

Nugget Doom is a Doom source port forked from Woof! with additional features.

Woof! is a continuation of the Boom/MBF bloodline of Doom source ports

Crispy Doom is a limit-removing enhanced-resolution Doom source port based on Chocolate Doom.

Chocolate Doom is a Doom source port that is minimalist and historically accurate.

This is a successor of prboom+ with extra tooling for demo recording and playback, with a focus on speedrunning and quality of life.

A Doom Renderer written in Rust.

DOOM Open Source Release

Qt version of BioHazard's ZDL

A Doom port written in C#

Just a list of useful mods

Doom Launcher is a doom launching utility and database for custom wads and pk3s