[Sean-Der]

What you will want is a SFU. This is a non-exhaustive list, if others want to chime in would appreciate it!

* https://galene.org

* https://github.com/pion/ion

* https://github.com/peer-calls/peer-calls

* https://github.com/meetecho/janus-gateway

* https://github.com/versatica/mediasoup

* https://github.com/jitsi/jitsi-meet

* https://github.com/fox-one/mornin.fm

[amelius]

How about:

https://jami.net/

(Official GNU software for video calls and more)