RDP is pretty darn fast (at least when I last used it ~10y ago) I think the attraction to NX for linux users is that it is still way better than VNC.. and both

RDP is pretty darn fast (at least when I last used it ~10y ago) I think the attraction to NX for linux users is that it is still way better than VNC.. and both of which are pretty much the only consistently functioning / packaged server options for most distros without fiddling..