• gplv3

check_dns_rrsig

• gplv3

NoMa

• other

check_mysql.pl

• gplv3

check_ipvs

• gplv3

check_number_of_citrix_sessions

• gplv3
• Primergy

check_fujitsu_primergy - plugin for checking Fujitsu servers via SNMP

• Mailqueue
• other
• Powershell
• Queuesize

Exchange 2010 mail queues size

• gplv2

NAN - Nagios Notification Daemon

• gplv3

Running kernel compared to installed kernel version

• Asterisk
• other

check_ast_reg