Enables Roblox developers to use professional software tools
Ct.js is a desktop game engine that makes learning programming fun
Flexible level editor
The HTML5 Creation Engine
Cross-platform, open source, and super fast MUD client with scripting
A framework to build Pokémon RPG games
Games for tomorrow's programmers
The flexible game engine
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
This is a Units Editor for Empire At War which will make things easy.
An open source flight dynamics & control software library
Open source library for creative expression on the web, desktop, etc.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
A planetarium software that shows a 3D simulation of the night sky
Game engine to build text adventures.
Tools and Z80 engine for creating adventure games. (RUST)
GPS track editor for editing tracks and planning (multiple) day tours
Remake of BOULDER DASH with NCurses
Ze Text Adventure game Builder : Create as you play !
A cross-platform port of Hexen II game.
realistic driving simulation + functions for 2D/3D graphics
Full featured MUD server with all the trimmings.
LDraw™ editor for LEGO® style digital building instructions.