Another option to consider is FreeBSD, which can be especially attractive for those of us who want to avoid systemd.
It used to be bearable back in the day, but now software has gotten so bloated that compiling it all constantly is just ridiculous... especially on older, slower systems.
Also, I don't know about you but I don't want to waste my time writing init scripts for every application I run that needs them. I'd much rather just use a distro that has already written them for me.