Capture part/whole screen/all screens inside or outside of your GM games

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

Roguelike dice tactics game

Unified API for mouselock on desktop and HTML5 for GameMaker.

Get information about the player's screen(s)!

Error handling for GameMaker games

Design pixelart effects and render them to .png sprite sheets or .gifs

Livecoding for GameMaker: Studio / GameMaker Studio 2

Work with files in all accessible places in GameMaker games.

Use multiple mice and keyboards in GameMaker games!

Package GameMaker rooms and load them as you please

Better and safer JSON functions.

Check/disable/dispatch window commands in GameMaker

Simply stunning Particle Editor for GameMaker Studio 1-2 with a PNG and GIF Export

Sample project for Steam-based networking for GameMaker.

A high-end code editor for all things GameMaker

Constrains the mouse cursor to a rectangle at system level

Dynamic scripting on Win/Mac/Linux.