Warp is a feature-rich framework for multiplayer games, written in GameMaker and NodeJS (previously GM-Online-Framework)

Make 3D games in GameMaker!

Open source rebuild and Android port of Nuclear Throne

An okay color management for GameMaker implementing OKLab/OKLCH colors. Generate, convert, gamut map and mix colors properly with visually better results. Also supports RGB, HSV, HSL, Lab, LCH, and other models.

GameMaker Language Support in Visual Studio Code.

Lightweight framework for signals in GameMaker Studio 2.3+

An easy to use camera object for Gamemaker studio, with options to change game and GUI resolution independently, and upscale pixelart

UI for GameMaker. Looks like Windows Forms. Use this if you're not making a game, or otherwise if you want your game to look like tax software or something.

Advanced particle system on GMS 2.3+ structures

Rezonator: Dynamics of human engagement

General purpose game editor made in Game Maker Studio 2. The basis for a lot of the tools I make.

A sublime bundle for GameMaker Language (GML)

Library of constructors operating primary GameMaker functionalities.

🌌 A script to generate starfields in GameMaker’s GML language

GameMaker shader preprocessor for code reuse! Import and inline directives, generating shader variants.

Unit Testing Framework for Gamemaker Studio 2.3+

foreach() loop implementation for GameMaker 2.3 for arrays, ds_lists, ds_maps, ds_stacks, ds_queues, ds_priorities and structs

for GameMaker 2.3+

One SDK for cross-platform publishing HTML5 games

The most complete list class for GameMaker Studio 2.3+. GC-friendly, [  ] accessor, 50+ functions (add, remove, insert, contains, find, sort, shuffle, reverse, etc.) and reference as array.

Base class for the GameMaker Exceptions providing better output and handy code interface. Also imroves YYC support of Exceptions.

Make a deep copy of GameMaker sequence asset / struct for editing it in-runtime

UI library for creating desktop applications in GameMaker

for GameMaker 2.3+

Game maker 2D Top down world generation (Sandbox).

Deep clone GameMaker class instances / constructed structs, anonymous structs and arrays nested in any order!

3D rendering tech samples created in GameMaker 8.1

A collection of CC0 programming libraries for GameMaker Studio 2

Lightweight sonic fan-games development framework for Game Maker: Studio 2

Fan engine for the addictive video game series BIT.TRIP