GameMaker Studio is a cross-platform game engine developed by YoYo Games. It is primarily used to make 2D games via a drag-and-drop visual programming language or a scripting language known as Game Maker Language.
The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)
A dictionary for people moving from GM:S to Godot
Modular game engine built with MonoGame, with GMS2-like workflow and advanced level editor
(Spatial) data harmonisation with hale»studio (formerly HUMBOLDT Alignment Editor)
Warp is a feature-rich framework for multiplayer games, written in GameMaker and NodeJS (previously GM-Online-Framework)
A functional utility library for GML/GameMaker: Studio - partials, map/reduce and more
Stetl, Streaming ETL, is a lightweight geospatial processing and ETL framework written in Python.
Source Code for a Sonic Fan Game Made in Game Maker Studio
XML schema and Schematron for aviation weather data exchange
GML interpreter
Django speaking WFS 2.0 to expose geo data
Created by Mark Overmars
Released November 5, 1999