Free game engine for development of desktop, mobile, and web games
Cross-platform, open source, and super fast MUD client with scripting
Classic 2D side-scrolling platformer game
Flexible level editor
3D Game engine with editor
Cocos simplifies game creation and distribution with Cocos Creator
RPG Maker 2000/2003 and EasyRPG games interpreter
Eureka is a DOOM map editor
Descent 3 by Outrage Entertainment
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-platform 2D and 3D game engine with modular architecture
3D game engine with lua scripting
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
An open source flight dynamics & control software library
Final Fantasy VIII Save Editor
Final Fantasy VII field archive editor
A planetarium software that shows a 3D simulation of the night sky
Injectable LUA scripting system, SDK generator, live property editor
Chess Database and PGN viewer
3D racing game with Sci-Fi elements and Track Editor
A 2D scrolling platform shooter, inspired by Duke Nukem 1
Remake of BOULDER DASH with NCurses