Nagios has been around since 2002 and is considered stable software. It is in use by the likes of American Public Media, JP Morgan Chase and Yahoo, just to name a few. It is an enterprise-level ...

AJ Dellinger is a writer, reporter, and editor based in Madison, Wisconsin. He has been published in Wired, Gizmodo, CNET, and a variety of other publications. He has covered small business and ...