A suite of Monitoring Plugins (formerly known as nagios-plugins)

A shell script (that can be used as a Nagios/Icinga plugin) to check an SSL/TLS connection.

Tool for monitoring network devices (mainly using SNMP) - monitoring check plugin

Nagios/Icinga/Sensu plugin to check current server's RAID status ⛺

:penguin: Nagios-compatible Plugins for Linux

A Python class library which helps with writing Nagios (Icinga) compatible plugins.

Moodle health checks for load balancers / nagios

Icinga2/Nagios plugin for checking domain expiration

CheckSyno - Icinga (Nagios, et al) Synology monitoring plugin

Monitoring plugin for MikroTik devices for Icinga/Nagios/...

Here i put some created or modified monitoring plugins voor nagios/opsview/icinga

Monitoring plugin to check automatic updates (unattended-upgrades) on Debian / Ubuntu.

Nagios plugin for check fail2ban status and jails.

Monitoring plugin to check HAProxy with Icinga, Nagios and other compatible monitoring solutions

Nagios plugin to monitor Cisco IronPort Email Security Appliances via SNMP

A script for presenting information about Cisco devices with SNMP. Written to work as a plugin for Op5/Nagios but can have other uses.

Monitoring plugin to check Sophos XG firewalls with Icinga, Nagios and other compatible monitoring solutions

Nagios plugin to check for outdated OS release

Monitoring plugin to check how long ago the last snapshot of a ZFS dataset was created.

Gentoo Overlay for Icinga2 checks

Icinga2/Nagios check for Out of memory problems

Check OpenBGPD sessions Nagios|Icinga|shinken|etc plugin

Nagios-Checks for monitoring NetApp 7-Mode-Systems via NetApp Perl API

monitoring plugin for jetbrains floating license server (written in golang)

Monitoring Plugin to check the health of an InfluxDB

Monitoring plugin to check JSON from REST APIs and files with Icinga, Nagios and other compatible monitoring solutions

Monitoring plugin to check disk io with Icinga, Nagios and other compatible monitoring solutions

Novell DirXML 1.1 and Micro Focus (formerly NetIQ) Identity Manager 2.x/3.x/4.x driver state detector plugin for Nagios and Icinga - basically a wrapper for "dxcmd -getstate".

Monitoring plugin to check network interfaces with Icinga, Nagios and other compatible monitoring solutions

Extra SNMP Monitoring Check Plugins for Nagios, Icinga and Icinga2.