A tool to generate Tree sprites and voxels for the Doom game
A tool to generate Rock sprites, models and voxels for the Doom game
A fun realistic multiplayer free-and-open-source first-person-shooter!
A tool for creating voxels for the DelphiDoom Engine
lzdoom plus freedom
An interactive 3D benchmark suite for cloud graphics rendering
Freedoom, Heretic and Hexen
3D-Accelerated open-source DOOM engine
A first person multiplayer shooter example project in Unity
A Marathon (first-person shooter) engine with enhanced features
A Java light, open source first person shooter,with editors.
MD2 (Quake2) Model Viewer
Duke Nukem 3D Map Viewer
EDGE is an advanced DOOM source port
Place where to find modifications and add-ons for the Arma franchise.