I haven’t really tried it yet but https://nospeak.chat/ was recommended by nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6 last week.
And cordn.net is promising. Uses marmot ...
Nospeak and cordn, more useless band-aids on a surveillance state, courtesy of the same oligarchs backing nostr.