Whereby (https://whereby.com/) is also web-first and works really, really well. Simple, no fuss, people don't have to install anything to join your meeting. Highly recommended.
> We in Whereby are committed to safeguarding the privacy of our users. Our business model is to provide a paid service to users who need additional features on top of the FREE version, and does not rely on widespread collection of general user data. [0]
Interesting. Thank you!!
[0] https://whereby.com/information/tos/privacy-policy/