macOS actually does better in this area of keyboardless software: you have https://www.homerow.app/ https://www.homerow.app/ and https://shortcat.app/ https://s

macOS actually does better in this area of keyboardless software: you have https://www.homerow.app/ https://www.homerow.app/ and https://shortcat.app/ https://shortcat.app/. Not sure about linux, but I would imagine that there's probably something that somebody's hacked together out there.