I'm a pretty active Game Maker user and game developer! I post my games and tools here.
GML Audio System (Saudio)
The fastest and easiest audio solution for Game Maker: Studio 2 and 2.3+
SpritePile Framework (GML)
SpritePile (Sprite Stacker)
Draw sprite stacks quickly and with ease!
GML Input System
Duke of Defense
A tower defense game where the player must build, roll, slash, and upgrade towers to protect their castle!
Capture islands, sink ships, defend your towns, and discover an exciting world full of adventure.
GMS 2 Line Counter
Fresh Water - Game Maker : Studio [Skin]
This skin for GM:S improves the overall appearance of the IDE.