Flexible level editor
General purpose tile map editor
Make OpenStreetMap vector tiles without the stack
Command & Conquer: Remastered Collection
Import OpenStreetMap data into a PostgreSQL/PostGIS database
A free & open-source 2D sprite editor, made with the Godot Engine
Eureka is a DOOM map editor
Google Maps SDK for iOS Utility Library
The source code to VVVVVV
Open Source Routing Machine - C++ backend
Open source RGB lighting control
An OpenGL RTS game engine written in C
Turn-based empire building strategy game inspired by Civilization II.
GPS track editor for editing tracks and planning (multiple) day tours
Interactive, thoroughly customizable maps in the browser
VERSION 3.6.1 released 9/25/2025
GWC is a tile server and caching proxy written in Java
utility to convert a mesh to brush "QuakeEditor style".
Windows visual diff and merge for files and directories
SDL based generic 2D game engine
Cross-Platform Level Editor for Doom3 and The Dark Mod
A 2D multiplayer space shooter game
Custom Map File Generator for C-evo