Looks like this is the source code.
https://github.com/digi-monkey/flycat-web
Looks like they already have some community support built in. The ecosystem is going so fast. I’ve hardly opened up a text file to start my own and there are like 4 others. The nip isn’t even merged.
This one is super simple. You can create a user, create a community and start posting.
I know I’ve been thinking the same thing and I check every day for new apps