Flexible level editor
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Injectable LUA scripting system, SDK generator, live property editor
Cross-platform, open source, and super fast MUD client with scripting
Eureka is a DOOM map editor
Final Fantasy VIII Save Editor
LDraw™ editor for LEGO® style digital building instructions.
A 2D scrolling platform shooter, inspired by Duke Nukem 1
FLTrator is a retro style scrolling arcade game using FLTK.
Final Fantasy VII field archive editor
A 2D multiplayer space shooter game
Final Fantasy VIII field archive editor
3D Scene Builder
turn-based wargame/simulator
PAK file editor for Quake engine games
OpenGL port of the classic 6dof 3D shooter Descent
2D Game Engine
3D Game engine with editor
Open RealStrategyGameLibrary (Engine)
A real-time game development platform