That sounds familiar. Remember when we used to watch TV?

That one looks cool! GPS receiver makes it interesting compared to the pine time.

I just use a bunch of markdown files for that. Guess you could also use Notes and its category feature.

Nextcloud all the way. I especially love the calendar, contacts and notes integrations besides the file sync, and it’s extensibility in general. Such a powerful tool.

MuPDF Viewer works fine for me. Not very feature rich tho.