If you are interested in the webrtc, this project is quite interesting
great demo at:
https://janus.conf.meetecho.com/demos.html
the source code is at:
https://github.com/meetecho/janus-gateway
I did contribute two commits a year ago
Time flies!
I feel this project could be used somewhere with some good use cases.
If you have some interesting ideas on how to use it, please share with us.