It's a rather fancy contact database, meant to handle sensitive/confidential data safely.
https://codeberg.org/Grace-and-Truth/ConnectionsI had originally pictured letting users choose a cloud storage folder they're comfortable with, and storing the app data there so multiple devices could use the same data. But that's frowned upon because of all kinds of sync issues. I'm curious to see what you come up with!
For now I'm aiming for Android, but the code is written for any platform, so hopefully it will end up on iOS, etc. too.