ZDoom - One of the most moddable Doom ports around
GZDoom - OpenGL implementation of ZDoom, has a few more features
Eternity - Another very moddable Doom port
EDGE - Discontinued mod-friendly Doom port
ZDoom - One of the most moddable Doom ports around
GZDoom - OpenGL implementation of ZDoom, has a few more features
Eternity - Another very moddable Doom port
EDGE - Discontinued mod-friendly Doom port