* Open Source classic game streaming - https://github.com/giongto35/cloud-game
* Controlling industrial construction equipment - https://twitter.com/shirokunet/status/1268011883816054784
* Run a web browser remotely, great for low spec computers - https://github.com/nurdism/neko
* Use NAT Traversal to access hosts. No more bastion hosts/3rd party services - https://github.com/mxseba/rtc-ssh
* Use Tor via WebRTC DataChannels - https://snowflake.torproject.org/
* Fly a drone via WASD in the browser - https://github.com/oliverpool/tello-webrtc-fpv
* Share files P2P in a cross-platform way. I HATE paying to transfer files, seems so basic - https://github.com/saljam/webwormhole
* Access a friends terminal from your browser via P2P - https://github.com/maxmcd/webtty
If you are interested for more check out https://github.com/pion/webrtc, https://twitter.com/_pion and https://pion.ly/slack
I've shelved that aspect at the moment but your link will help me with code samples I can re-use when I revisit the sharing aspect of the project.