Free game engine for development of desktop, mobile, and web games
Classic 2D side-scrolling platformer game
Flexible level editor
3D Game engine with editor
Eureka is a DOOM map editor
Cocos simplifies game creation and distribution with Cocos Creator
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-platform 2D and 3D game engine with modular architecture
Descent 3 by Outrage Entertainment
3D game engine with lua scripting
Cross-platform, open source, and super fast MUD client with scripting
Final Fantasy VIII Save Editor
Injectable LUA scripting system, SDK generator, live property editor
Final Fantasy VII field archive editor
A planetarium software that shows a 3D simulation of the night sky
3D racing game with Sci-Fi elements and Track Editor
Final Fantasy VIII field archive editor
A 2D scrolling platform shooter, inspired by Duke Nukem 1
A 2D multiplayer space shooter game
LDraw™ editor for LEGO® style digital building instructions.
MIT Licensed Open Source version of Torque3D from GarageGames