x2go/freenx it's must better than the old X11 protocol. OFC, if you use legacy systems, no problems using your old Irix machine or similar, but from modern *BSD

x2go/freenx it's must better than the old X11 protocol. OFC, if you use legacy systems, no problems using your old Irix machine or similar, but from modern *BSD's/GNU's, you can compile x2go in a breeze and get a much better support on rendering/speed and detaching.