You can use my project p2pcf [1] to do WebRTC signalling and then sync the cursors by just blasting datachannel messages to all your connected peers. For a proj

You can use my project p2pcf [1] to do WebRTC signalling and then sync the cursors by just blasting datachannel messages to all your connected peers. For a project I made that uses this to do far more than cursor syncing, but syncs an entire 3d world with voip, checkout https://webspaces.space https://webspaces.space [1] https://github.com/gfodor/p2pcf https://github.com/gfodor/p2pcf