nagstamon

Nagstamon is a Nagios status monitor for the desktop. It connects to multiple Nagios, Icinga, Opsview, Centreon, Op5 Monitor/Ninja, Check_MK Multisite and Thruk monitoring servers.

Nagstamon resides in systray or as a floating statusbar at the desktop, showing a brief summary of critical, warning, unknown, unreachable or down hosts and services.