Libraries

LUT-Cube-Parse
FoxyOfJungle

GML implementation to parse a .cube LUT file for color grading.
lut cube-parser
FastNoiseLite
Tinkerer_Red

Fast Portable Noise Library - GML GameMaker Studio 2.3
noise
GM-Blursed-ECS
cloaked-games

About A primitive entity-component system for GameMaker.
entity-component
GameMaker UI library
greenpixels

An open source UI library for Game Maker 2.x
ui interface lts
Behaviour Tree
Gizmo199

Simple Behavior Tree system for Gamemaker Studio 2!
behaviour tree
AgendaGML
Benal20

Promise-like callback chaining for GameMaker
promise
MoFile
pmarincak

MoFile loader for Gamemaker Studio 2.3+
localization
Raven UI
Vincent

GUI framework for GameMaker
ui gui framework
OKColor
KeeVeeGames

An okay color management for GameMaker implementing OKLab/OKLCH colors.
color oklab oklch and 1 more!
GMS2-Test
pmarincak

Unit Testing Framework for GameMaker
unit-testing test framework lts
Hit Boxes / Hurt Boxes
michelv

Library to manage Hit Boxes and Hurt Boxes
hitbox hurtbox lts
Pulse
delfos1

Custom particle emitter
particles fx
Fauxton 3D
Gizmo199

Powerful and efficient sprite stacking framework
sprites stacking 3d
Actions
NoFluxGiven

A library for self-contained, time-aware functions in your Gamemaker instances
time actions
GML Outline Shader
grisgram

Outline shader system
outline shader
Shade
electrodev1

A small wrapper for gamemaker that makes shaders faster to use
shader wrapper lts
GML-OOP
mtax

Library of constructors operating primary GameMaker functionalities.
oop lts
NeAudioFix
nkrapivin

More control over GameMaker's Audio
audio lts
libntp
nkrapivin

Get (almost precise) NTP time from pure GameMaker.
ntp time lts
FastSM
juliandicken

Lightweight State Machines
state machine lts
JenScripts
cloaked-games

Rapid prototyping procedural generation
procedural generation
http.gml
sidorakh

A simple http wrapper for GameMaker Studio 2
http wrapper
GMParty
fntrck

Stateful, non-parametric, high-performance GPU particle system for Gamemaker
particles particles system gpu-particles
GM Community Toolbox
Alphish

A collection of utility functions for GameMaker.
functions toolbox collection