Developer Bryan Keller has single-handedly ported Mac OS X 10.0 to the Wii platform. It’s a great writeup that can serve as a good source of inspiration for developers working on other ports.
How it started:
Before figuring out how to tackle this project, I needed to know whether it would even be possible. According to a 2021 Reddit comment:
There is a zero percent chance of this ever happening.Feeling encouraged, I started with the basics: what hardware is in the Wii, and how does it compare to the hardware used in real Macs from the era.
How it went: