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

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

Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software

A modern re-implementation of the classic DOS game Duke Nukem II

Cog - A Free and Open Source Audio Player for macOS 10.13+

Build engine port backed by GZDoom tech. Currently supports Duke Nukem 3D, Blood, Shadow Warrior, Redneck Rampage and Powerslave/Exhumed.

chocolate Duke Nukem,3D

nxengine refactoring

Official repository of the Sega Model 3 arcade emulator.

Unofficial source port for Blake Stone series

Decompilation of Cave Story (v1.0.0.6)

Port of the 3D Realms game "Duke Nukem 3D"

Port of the Build game engine by Ken Silverman

A Job system implemented with a lock free stealing queue

Various fixups for PJ64 1.6