• gplv3

check_connections

• gplv3
• UPS

APC SmartUPS check if UPS is on batteries or cable

• gplv3

check_sys

• gplv3

check_tcptraffic

• gplv3
• humidity
• Xsensior

check_temper

• gplv3

Check CMSms (CMS made simple) version

• gplv3

Check Load Average via SNMP

• gplv3

Check extensible command table of the UCD-SNMP-MIB

• gplv3
• ALOM
• ILOM
• IPMI
• LOM

check_ipmi.pl - plugin for checking SUN hardware via IPMI ILOM

• gplv3
• gpl-2.0
• Network
• Snmp
• traffic

iftraffic

Icinga check plugin for network interface utilization