keet.io - made by the holepunch team - holepunch.to

still very much in it's infancy but it's definitely progressing everyday. Text has been fine, video is ok at times but the screensharing is kinda broken at times sadly.

there's also hivetalk which is great for webcam+screen sharing but uses rooms, not individual users. allows nostr login and has NWC which is nice. hivetalk.org for that one.

I think there's a way of just sending PGP over Signal which I thought would be pretty private but I just read something about PGP being unsafe so who knows!