NRPE is an add-on for Nagios that allows you to
execute plugins and commands on remote Linux/Unix
machines. It can be installed as a stand-alone
daemon or run under inetd/xinetd, with native
SSL/TLS encryption.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.