FOS: Stands for "Free Operating System" as an inclusive term. Includes GNU/Linux, NonGNU/Linux, *BSD that are meant to liberate ones computing.
I'll start, I use Linux Mint on my laptop that I use for work daily. It uses the latest Xanmod linux kernel and flatpaks for apps with GNU Guix providing everything else.
Arch Linux, Guix, Fedora, Alpine, postmarketOS, archlinux32
Guix on an old laptop.
Archlinux32 on an older laptop,
Fedora on a workstation,
Alpine on servers
postmarketOS on pinephone
Arch Linux on main laptop + other computers + a server