-flotilla
-chachi and xchat, both allow you to make chat groups and you choose your own relays to have control of the chat room
https://marmot-protocol.github.io/marmots-web-chatand
https://tryquiet.org/ but this is more for p2p communication in which messages are saved on the devices of those who join the chat, it is not based on nostr, it only uses TOR to send messages and the chat rooms and profile are more to be disposable.