I wonder why Windows share dips while “unknown” surges. It seems to reverse afterwards.
Sounds like mind mapping software. I use freeplane (formerly freemind) desktop app but would love to find a self-hosted collaborative web based alternative with a database backend.
In case you haven’t checked it out yet, I highly recommend Jellyfin as an alternative to Plex.
That was also my first impression. ¯_(ツ)_/¯