• Cacti
• gplv3

Check Disk Space Plugin for Nagios and Cacti

• gplv3

Check Log Files - Configure Log File Check Alerts for Any UNIX log - Generate Alert Notifications

• gplv3

Check Load Average via SNMP

• other

Check hardware running VMware ESXi

• IO
• other

Check IO stats of one or all disks

• other

SAP CCMS

• gplv3

Check Network Interface IO via SNMP

• other

check_nt_megaraid - Windows NRPE plugin

• gplv3
• nss
• Volume

check oes linux nss volume usage

• EtherChannel
• gplv2

check_snmp_cisco_port_channel.pl