A free & open-source 2D sprite editor, made with the Godot Engine
A Editor for Minecraft NBT files
Cross-Platform Level Editor for Doom3 and The Dark Mod
Smart phone automation tool. Support iOS, Android, WebApp and game
MCEdit: World Editor for Minecraft
A fast, powerful and adaptable GUI solution
A fun game inspired by the classic Pong
A railway signalling simulation game
evolution for vegastrike SpaceSim/Combat/Trade game
A world editor for HGE game engine written in python and uses OpenGL.
Hexagonal tiled map editor for game developers
Ballspace is a Tux breakout game with a level editor.
A turn-based strategy game in the spirit of Tactics Ogre
2D space game with semi-realistic physics
Open Source Breakout Clone
Soundtrack editor for Guild Wars 2