FreeNX is the free open source version of nomachine.org NX software. It is a VNC like program that tunnels over SSH and has compression to run well and at high resolutions over even slow internet links. This program has many advantages over the VNC protocol. The biggest is security, it is built into the program from the ground up. All connections are encrypted and tunneled over SSH by default with FreeNX. FreeNX is also faster by a huge factor over VNC this is a real plus on slow connections.