All is working nicely for me after all updates - http://forum.kozovod.com - see the list at the very top of the home page.
Yep, it needs WordPress. That’s only because we can’t query admin-only data from client-side js (you’ll have to put your secret key at risk)… unless it’s made as a plugin. However, I’m not a ruby programmer, so not planned to make it a plugin, unfortunately.