Presently, on meet.jit.si, only the moderator needs to be logged in. Everyone else can just join the meeting with no need to log in.

But that’s just the one that Jitsi runs. The Guardian Project has a Jitsi Monitor that can point you to some other Jitsi instances.

Not unlike Lemmy. If you don’t like the way things are run on one server, check a different one.