Ltd., a company dedicated to developing and supporting VNC[http://www.tightvnc.com—An alternative to VNC called TightVNC that has](http://www.tightvnc.com—An alternative to VNC called TightVNC that has)
several key advantages over the stock VNC release, including use of
SSH for encryption, which guarantees security
https://help.ubuntu.com/community/FreeNX—The Ubuntu
community documentation for FreeNX, a system that allows you to
access your desktop from another machine over the Internet
[http://www.nomachine.com—An alternative to VNC, called FreeNX, that](http://www.nomachine.com—An alternative to VNC, called FreeNX, that)
works much faster than VNC