I tired of sharing screen via Google Meet with 1-hour limitation, with Zoom and 40-minute limitation, etc. With paid Slack subscription. And often times I just needed to screenshare with no audio.
So I ended up with my own solution - no registration, low memory, low CPU, low tek 1 fps encrypted screen sharing. Currently sharing only the main screen (good for laptop users).
It's very raw in terms of infrastructure, since I'm not counting bytes (yikes!), everything works on my own dedicated server. But the service itself has been tested, we've been sharing screens for countless hours. All sessions last for 48 hours, then it gets removed with all remaining info.
Every new frame replaces the other, and everything is end-to-end encrypted so even server owners and operators won't be able to see what are you sharing.
There is also no tracking, except the main page - and I use my own analytics. Sessions are not getting tracked and never will be, and observability currently is not in place.
Again, this is a true one-person side hacking project I hope (but I have serious doubts) I might need to scale if it's getting traction to support more users.