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.
Warp is a feature-rich framework for multiplayer games, written in GameMaker and NodeJS (previously GM-Online-Framework)
Tools and apps for GameMaker development: a CLI for pipeline development, a VSCode extension for coding, and more.
Javascript GMS2 commandline compilation
Image correction and cleanup for 2D video game sprites
The fantastic documentation generator for GameMaker:Studio and GameMaker Studio 2
A Language Server for GML, the scripting language of GMS2, compliant with Microsoft's Language Server Protocol.
Source code of website for browsing through huge list of GameMaker runners
Browser system for creating 3D web games
A single page web application that makes it easy to share basic GameMaker: Studio objects that only use GML over the internet.
Created by Mark Overmars
Released November 5, 1999