game-maker topic
MapEditor
You can draw your map using by this Map Editor project.
UndertaleModTool
The most complete tool for modding, decompiling and unpacking Undertale (and other Game Maker: Studio games!)
SimplexRpgEngine
Modular game engine built with MonoGame, with GMS2-like workflow and advanced level editor
Super-Mega-Engine
Mega Man GameMaker Studio 1.4.1760 Engine
Lunar-Engine
A free, open source 2D online RPG engine in C#/.NET
gms_scheduler_fix
Also known as DBGHELP.DLL; Scheduler resolution fix for GM:Studio and GM8.1 (not to be confused with Debugger Helper)
0x0D
A shoot-em-up made in 48 hours for the 20th gm(48) game jam.
renderdoc-gms2-kit
A RenderDoc settings file generator for GameMaker: Studio 2 projects.
gms-sample-library
A library with demo projects to learn Game Maker Studio and Game Maker Language (GML)
Lots_Of_Colors
3000+ RGB colors (2k pantone) in code ready formats for SFML (C++), Game Maker (gml), Godot (tscn) & Unity (C#)