Only 2 of those 3 (age, linux) If you ever had to configure your xorg.conf to not set your monitor on fire, the fediverse isn't very complicated
EXWM (Emacs X windows manager) all it lacks is a good editor(j/k, I've settled on Cosmic on Pop for the last few years, and now I'm so lazy, I barely update it)
piling on for Dokuwiki. Have been running it personally and for an org (2 different wikis) for like 7 or 8 years. No problems, and it's own syntax is pretty easy too. I've migrated a few times too and love that it's just plain text files
Only 2 of those 3 (age, linux)
If you ever had to configure your xorg.conf to not set your monitor on fire, the fediverse isn't very complicated