An error occurred while saving the commentKristal_Rose commented
Windows ME used to be able to turn Draw into a whiteboard by mirroring on IPV6, I seem to recall. One machine could declare themself host. Similar code at all? A plugin whiteboard sure would be a nice utility. Surely some art-streamer has gone multi-remote parallel access by now, home, server, or cloud hosted. Maybe not, but that sounds most versatile.
Implementing a graphics app like gimp with an xml wrapped event queue everyone shares would do the job.