There are 2 repositories under gamemakerstudio2 topic.
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 shader preprocessor for code reuse! Import and inline directives, generating shader variants.
foreach() loop implementation for GameMaker 2.3 for arrays, ds_lists, ds_maps, ds_stacks, ds_queues, ds_priorities and structs
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
Deep clone GameMaker class instances / constructed structs, anonymous structs and arrays nested in any order!
An object pooling implementation in GML for Game Maker Studio 2.3+
A Unicode Standard implementation for GameMaker.
Another alarm alternative for Game Maker
Open two game windows at the same time in a GameMakerStudio2 project
Some array utils for game maker studio 2
A Platformer Game.
First game dev project; written in GML using the GameMaker Engine. Started during a two-hour game development workshop given at my university. Afterwards, I worked on it in my free-time.
Config files for my GitHub profile.
Simple Gamemakerstudio2 project that makes an obj follow the player object