In the first blogpost on his new blog, Mathias Hansen, co-creator of geocod.io, walks us through how he customized the look of macOS. ChunkWM seems particularly interesting.

ChunkWM neatly arranges all of the windows on my screen. skhd which me to define global hotkeys to control ChunkWM. Pecan (built on Übersicht) renders the neat status bar that you see at the top of the screen

https://www.codemonkey.io/posts/customizing-the-look-and-feel-of-macos/