If you want to improve your Game Maker skills or learn some new techniques then keep checking here. I don't like posting simple or useless examples, our examples don't just provide new programming abilities - they innovate design and a way of thinking.
Pressure Soft Body Physics was just released!
Pressure Soft Body Physics - Very advanced soft body model that destroys the need for internal springs! Method invented by Maciej Matyka.
Dynamic Fractures - With this method a single object can be broken dynamically along one plane perfectly and it also includes a method for two planes but that's only semi-useful.
Advanced Leveling - Check this out if you want to begin to understand advanced leveling up functions. The conventional approach would be to store values for each level's required experience but now you can run just run a simple formula. It also includes how to come up with the formula using a CASIO graphing calculator's statistical regression.
Zac's Cartographer - I just made this for an easy way to populate maps. It uses simple tile-use and happens to also be my first example.