Barbary Monitor continually monitors software and computer systems, showing at a glance which systems are working and which aren’t through a simple “green is good, red is bad” display. Barbary Monitor informs of problems automatically via e-mail. It checks whether websites are up, whether databases are running, whether hard drives have enough free disk spaces, and so on.
The developer says:
I’ve never met Eric Sink, but I’ve got to thank him – he wrote a number of articles in late 2004 that inspired me and convinced me that creating my own software product in my spare time could be more than just a pipe-dream.
More on Eric Sink.