Look at distrowatch.org.
Myself, I am using plain old Debian stable since about 17 years, after using SuSE and a bit of Ubuntu since 1998 or so.
I also use a bit of Arch and Guix when it comes handy.
So, I am a boring guy.
But back to your question: What du you want? What is your goal?











But to be honest, TempleOS is way cooler.
While plan9 is Unix tidied up a bit.