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.
Endeavour (Arch). Though I haven't been able to get the iso to boot on my new laptop yet. Garuda (also Arch) is another distro I enjoyed, which ran the Zen kernel by default.