It's free if you use their servers (https://meet.jit.si/), but then you're back to square one in that you don't own the encryption keys.

Scaleway shows how easy it is to configure and deploy on a cloud host:

https://www.scaleway.com/en/docs/deploy-jitsi-meet-with-dock...

Whether or not your cloud hosting is secure is a separate issue altogether. :)

I'm not saying that it's E2EE on Jitsi either, but at least the implementation is transparent.