I wrote a script to migrate from Unclassified Newsboard (UNB) to Flarum.
I guess UNB was never very popular, but it was a very robust piece of PHP5 software. But it's time to move on. So this is for whomever is still running UNB.
Get the code at https://github.com/splitbrain/unb2flarum
The README should provide enough hints to get started...
