Counting established tcp connections.

Misst Transfers, Dateien und Datenvolumen eines Cryptshare-Servers

Measuring the citrix license server.

Checks for StorNext SANs, including XSans, using the cvadmin command.

Monitors daemontools (svscan) services status

Hardware Checks for Data Direct Storage

Dell OMSA SNMP Checks

Shows some additional data of a DELL Powerconnect switch

df_inodes to check usage of inodes in Linux/UNIX filesystems

Monitor directory sizes

Check_MK plugin for checking LUN status on old DPT / Adaptec 2xxx Raid controllers

Check Linux EDAC memory controller states for ECC errors

EnhanceIO cache status

Shows some information about the HP EVA

Check for individual exchange mailbox sizes

A collection of Check_MK Checks for F5 BigIP Load Balancers

Group of Checks for Fortigate Firewalls, CPU, Mem & Session Count

HP MSA Storage Unit checks.

WATO plugin for check_imap

Check if previously assigned IPv4 addresses are still configured

A collection of Juniper checks: chassis, CPU, memory, processes, temperature, and the IVE (product specific)

Kemp LoadBalancer SNMP based checks

Check the time difference since last run of e.g. cronjobs, programs or scripts and now

This check will report the number of available updates and security updates for RHEL/CentOS servers

Lotus Notes Domino SNMP Monitoring