Linux.com: Faster Remote Desktop Connections with FreeNX

“Virtual Network Computing (VNC) is a useful tool for accessing
and controlling remote machines, but its responsiveness leaves much
to be desired–especially when you’re accessing remote machines via
a slow network connection. FreeNX also allows remote
administration, but is much more responsive and works over a secure
connection, and is free software to boot. FreeNX is also easy to
set up, and I’ll show you how…”