Hammerspoon vs Yabai
When comparing Hammerspoon vs Yabai, the Slant community recommends Hammerspoon for most people. In the question“What is the best window manager for Mac?” Hammerspoon is ranked 13th while Yabai is ranked 23rd. The most important reason people chose Hammerspoon is:
https://github.com/Hammerspoon/hammerspoon/issues They do fix issues that come from the community.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro 1512 issues are closed in the download page in GitHub
https://github.com/Hammerspoon/hammerspoon/issues
They do fix issues that come from the community.
Pro Deeply customizable
Hammerspoon's Lua scripting and broad API allows you to perform any action you can imagine on your mac. It hooks into many OS APIs directly and has some high-level APIs to manipulate things like Spotify or iTunes. See the full list here.

Pro Automate actions based on the operating system
Hammerspoon lets you hook into OS level events and trigger any action you can imagine. From setting up a simple keyboard shortcut to launching a complex workflow using multiple apps and scripts.
Pro Fast
Pro Integrates with other apps
Like skhd, sketchybar, hammerspoon scripts, ubersicht
Gives you more control and oversight of your machine
Pro Actively developed
Pro Reliable
Pro Extremely programmable
Cons
Con Has 324 issues on their download page in GitHub
https://github.com/Hammerspoon/hammerspoon/issues
I can not list all the issues.
Con Some knowledge of programming required
Hammerspoon is scripted in the Lua programming language, and some familiarity with programming in general will be needed to use it. Some plugins exist that can be used by adding some files to a specific folder, but this will not give the flexibility that is so key to Hammerspoon
Con Can be a steep learning curve at first
Con Needs disabling SIP to get full benefit
SIP is a security feature for Mac. You can use most of the features without disabling it.
Con Needs additional tools to get the full benefit
Install "skhd" to use keyboard shortcuts
