Video conference tool

we are currently looking for telco/video conference tools. So far we have used jitsi, but we often had problems with it. Currently we are using zoom which works much better, but as you surely know, has a terrible privacy policy.
In “Bits & Bäume” (another forum) we found the following link:

We had a look at bigbluebutton on the demo server and this looks quite good.
Do you think this would be an option for as well?
We could have a test conference on the demo server and talk about it. What do you think?