Check F5 BigIP Nodes
Nagios-Plugin to monitor Apaches mod_proxy balancer pools
Check allnet all4500 sensors
Icinga check plugin for MessPC PCMeasure devices
icinga2 plugin for checking Novell iPrinter status.
btrfs filesystem usage monitoring plugin
Check Liebert MPX Rack PDUs
Collection of Icinga / Nagios plugins to monitor Cisco IOS and NX-OS devices
Plugin / Script for Nagios / Icinga2, displaying version information and hostname of VMWare ESX(i) vSphere