A high-end code editor for GameMaker: Studio, GameMaker Studio 2.x, and more!

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.

Open source rebuild and Android port of Nuclear Throne

A robust, pixel-perfect collision engine for GameMaker Studio 2.3.

GameMaker Evolved

Automatically updates sprites in GameMaker Studio 2.3+ projects to match changes to Aseprite files on disk

Library of constructors operating primary GameMaker functionalities.

for GameMaker 2.3+

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

Good Game, Peace Out Rollback Network SDK... for GameMaker!

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.

A template for GameMaker C++ DLLs

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

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

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

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

Project Wak Beat (Based on JSAB and Project arrhythmia)

A scope non-breaking foreach loop for arrays, lists, maps, structs, grids, strings and number ranges

for GameMaker 2.3+

A comprehensive minimalistic unit testing library for GameMaker Studio 2.3