The DefCon epplet shows your current Defense Condition (remember WarGames?) based on your current system load. When your machine's load is low, you are at DefCon 5, peace. When your machine's load is high you reach DefCon 1 and the general pipes in.
Reduce the size of your Time Machine backups, save valuable disk space, and reduce the time it takes to back up your files.
A Perl/XML log analyzer, alerter, and reporter.