Many project are mirrored worldwide. Mirmon helps in monitoring these mirrors.
In a concise graphic format, mirmon shows each site's history of the last two
weeks, making it easy to spot stale or dead mirrors. Mirmon quietly probes a
subset of the sites in a given list, writes the results in the 'state' file,
and generates a Web page with the results

WWW: http://www.cs.uu.nl/people/henkp/mirmon/