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.
Rocking Pop OS with KDE on my laptop. I chose Pop due to a lot of positive buzz around ease of use and pre-existing experience using Ubuntu/Debian. Works great for my basic web and office tasks and the occasional light game.
Ditto. And coming from windows 10 PopOS is a huge upgrade.