Build your own robot duck. XGO-Duck is a 3D-printable biped powered by Arduino UNO Q and 15 servos, adapted from Pollen Robotics' Microduck. Includes mechanical models, PCB designs, a BOM, and an assembly guide. Build it, explore its motion, and make it your own.
YUI - A UI system for GMS2
UI framework for GameMaker
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.
An easy to use camera object for Gamemaker studio, with options to change game and GUI resolution independently, and upscale pixelart
Unit testing framework built in GML for GameMaker LTS
Free UI Framework for Game Maker games with flexpanels implementation by Limekys
GMUI - Immediate-Mode UI Library for GameMaker
GMUI framework for Game Maker
Texture Page Builder for GameMaker
Centralized and persistent live configs for seamless game tuning and balancing in GameMaker.
Helpful Debug Overlay views for monitoring systems and tracking down elusive issues in GameMaker.
GML VM and Compiler built inside of GML with the long term goal to be able to compile any project folder.
MajorGUI - Retained-Mode Canvas Based Hierarchical GUI Library for GameMaker
a minimalistic UI framework for GameMaker
a placeholder asset generation script for Game Maker Studio 2.3+