[jeroenhd]

There's a product called DisplayLink that's used with certain USB monitors and USB docks. It compresses the video displayed on the screen in a userland daemon.

It requires Synaptic's software and it does work as a solution for devices that don't have enough I/O capacity to support multiple DisplayPort screens.

[capitol_]

They use that at work on some of the freeze seating places.

It's quote buggy and resource hungry on macos and didn't play nice at all on my Ubuntu.