A framework to build Pokémon RPG games
3D and 2D game engine written in Rust
Ct.js is a desktop game engine that makes learning programming fun
An OpenGL RTS game engine written in C
Final Fantasy VIII Save Editor
Java application for creating Morphing videos
Edit BZFlag world maps with 3D preview
3D puzzle game based on Kula World and Cubosphere
Europa Universalis 4 save game editor
GPS track editor for editing tracks and planning (multiple) day tours
3D C++ Game Engine - yet another open source game engine
Nonogram solver editor
Create symmetric sprites: browse, save to PC, or store online
Wacky Wheels Remake
Built to be ease of use, with no programming knowledge, Multi-platform
The Map-Editor of the 2D role-playing game Arengu
Symmetric Sprite Editor
A 3D scene editor for Ogre in Purebasic
A tool for roleplaying gamemasters