Check Dell/EMC² Isilon/PowerScale clusters
COREX Windows host agentless check plugin for Icinga 2
Check Linksys router or switch
Check Trend Micro Deep Security Antivirus
Check_mk local script to track the sessions on an mk catalog pool
Plugin / Script for Nagios / Icinga2, checking Unit USV.
Monitoring/Nagios plugin for FreeNAS systems