• eTrust
• gplv3

check_etrust_av

• gplv3
• Scheduler
• Task

check_taskscheduler2

• gplv3
• Volume

check_disk_cfgfile

• Cacti
• gplv3

Check Disk Space Plugin for Nagios and Cacti

• Linbit
• other

check_drbd.pl

• gplv3
• Openmanage

check dell openmanage

• gplv3
• IP
• SLA

Cisco IP SLA monitoring

• gplv2
• Proxy

check_squid

• cecill
• ISL
• SAN

check_snmp_isl_ciscoMDS9k.pl

• EventDB
• gplv3

check_eventdb2.pl - improved check plugin for Netways EventDB