dirvish -- multiple backups of onl ine storage, uses ssh. Currently my laptop gets rsync'ed to the work desktop, but it isn't done frequently or consistently enough...
springgraph -- creates graphs of nodes. It could be handy to use it to graph genealogy relationships. application?
jnettop -- sniffs and graphs netwo rk traffic. I'm a sucker for network traffic graphers.
pornview -- just because it has s uch a great name