nx-x11-common 2:3.5.99.14-3 (armhf binary) in ubuntu bionic

 NX is a software suite which implements very efficient
 compression of the X11 protocol. This increases performance when
 using X applications over a network, especially a slow one.
 .
 This package provides all runtime architecture-independent files for
 nx-X11 Xserver (aka nxagent).