I don't know how smooth it is, since I haven't tried it myself yet, but apparently Nextcloud talk can do it. I think it needs a browser extension but that migh

I don't know how smooth it is, since I haven't tried it myself yet, but apparently Nextcloud talk can do it. I think it needs a browser extension but that might not be nearly as much of an imposition as vnc + ssh. It's also pretty easy to self host on a vps or other server of your own.