Flexible level editor

• UpdatedNov 12, 2025
• C++

A new Minecraft world editor and converter that supports all versions since Java 1.12 and Bedrock 1.7.

• UpdatedOct 30, 2025
• Python

It's a Doom editor

• UpdatedNov 10, 2025
• C++

Map editor for pokeemerald, pokefirered, and pokeruby

• UpdatedOct 26, 2025
• C++

A Tool to Help the Creation of Warcraft III Map

• UpdatedJun 16, 2024
• C

A Python library for reading and writing the Minecraft save formats. See Amulet for the actual editor.

• UpdatedNov 10, 2025
• C++

A map and tileset editor for pokecrystal, pokered, and projects based on them. Written in C++ with FLTK.

• UpdatedSep 12, 2025
• C++

Online collaborative map editor for role-playing games.

• UpdatedJan 25, 2023
• JavaScript

Open source toolkit for Mafia games. (Mafia II, Mafia III, Mafia DE)

• UpdatedDec 9, 2024
• C#

Map editor for C&C: Red Alert 2, C&C: Tiberian Sun and Dawn of the Tiberium Age.

• UpdatedNov 8, 2025
• C#

2D platformer engine using LÖVE and Lua

• UpdatedAug 17, 2022
• Lua

A BYOND language smartness provider, map renderer, and more.

• UpdatedOct 30, 2025
• Rust

Tile / Sprite / Map Editor

• UpdatedNov 22, 2022
• Pascal

Main repository for VALHALLA, the first-person shooter game set within a dystopian, sci-fi reimagining of Norse mythology.

• UpdatedSep 21, 2025
• C

Qt based tool for editing maps generated by ROS gmapping package.

• UpdatedApr 27, 2019
• Python

XYZ Maps is an open-source map editor written in TypeScript.

• UpdatedNov 11, 2025
• TypeScript

A 2D game engine focused on open-world platformer games, built with C#

• UpdatedJul 5, 2025
• C#

Open source map editor in Unity, for Rust.

• UpdatedOct 13, 2025
• C#

A DOOM and Duke Nukem 3D style game with ray-casting, featuring a level editor and multiplayer from scratch in C

• UpdatedJun 7, 2024
• C

A map editor for TT Games games

• UpdatedOct 25, 2022
• Java