Looks like keet but with tor?
I get why this would work for large groups but for DMs, I don't get how messages don't get lost without a server/relay somewhere.

Seems like private messengers are constantly reinventing the wheel though 

 Join me on Keet.io - The Psychedelic Libertarian Repository (no expiry)

pear://keet/yry5f6hctja4dwbmpfxbpngqgjp6oiz3hqtzhimcseumfusi3koaeykkdtpe7u4pkubpkt4tykmjrpknr5an9ncjnw63w711x1q8pmkeqc