itch.io

Syntax highlighting and formatting tools for GM:S/GMS2 documentation

Work with files in all accessible places in GameMaker games.

GML syntax highlighting for games, websites, and more

Dynamically change window icons / taskbar badges!

Bit flag based instance filtering for GameMaker

A high-end code editor for all things GameMaker

Descriptive error messages and better error handling for GameMaker data structure functions