Check Christ power panels CLM5-IP
Plugin for Icinga, Nagios and Shinken to check the apache status
Nagios & Icinga 2 plugin for Overland Storage SnapServer N2000 and others
Nagios/Icinga plugin for checking DANE/TLSA records
Nagios-Plugin to monitor Apaches mod_proxy balancer pools
Monitoring plugin to check free space on SFTP share
Icinga plugin for network traffic monitoring