You might be interested in CoffeeSaint: an application that shows the status of Nagios (version 1 up to 3 and the newer XI) on a screen. It can, if there are no errors, display a Webcam feed. If an error status occurs, it can play a sound. One can configure it to display certain errors/warnings always on top. It is remotely configurable via a built-in Web interface.|
NagiosDigger: a web-interface to the historical Nagios logging.
Nagcon: a console application interfacing to Nagios which gives you an overview of all services with troubled services.
check_nagios_summary enables you to do perform distributed monitoring.
NagTail is like tail on the Nagios status logfile.
ssl-proxy - required in case your irc server only accepts SSL connections