Flexible level editor

Cross-Platform Level Editor

The open-source, cross-platform level editor for id Tech based games.

Dust Racing 2D is a traditional top-down car racing game including a level editor.

DarkRadiant is the map editor for The Dark Mod and other idTech4/Doom3-based games

tiny_csg is a C++ library that generates meshes from brush-based level data and supports incremental updates (real-time CSG). It is intended to be used as a backend in 3d level editors and/or generators.

A tilemap editor that aims to be simple, fast and lightweight.

A set of modding tools (level editor, etc) for the Ratchet & Clank PS2 games.

Level Editor for the PC version of Sonic Generations

Kirby's Dream Course / Kirby Bowl level editor (C++ / Qt)

Wario Land 4 Level Editor.

Kirby's Adventure Level Editor (C++ / Qt)

A Cross Platform 2D and 3D Game Engine

Hitman C47 Scene Editor

Warrior Kings (Battles) game engine reimplementation / recreation

A map editor designed for rapid iteration

Level editor for games using ELB's Kal engine, such as XXL 1/2 and Olympic Games, original and remaster

Halo1 Xbox map editor

NES Super Mario Brothers 2 Level Editor

Level editor for PvZ2 on SFML