nostr:npub1g88452g5k34q5fqthadnmursqs906j7utjep38k4dqemgz6tu5esq89egf
That's the granddaddy of them all.
It's also what Linux Weekly News ended up with.
Unfortunately, it might not be the right solution for my needs, as it may have some limitations in the area of data import (from benighted QuickBooks) and check printing formats.
I'm looking into it some more. :)