• check_http
• HTTP
• ntlm

another-http-check

Replacement Icinga/Nagios HTTP check - ẃith fixed return codes and NTLM support

• FreeBSD
• Networking

icinga2-network-plugin

• gplv3
• Messaging
• X.509
• XMPP

check_xmppng

• gplv3
• Linux
• Operating System

check_linux_metrics

A monitoring plugin for icinga/nagios/nsca, that reports basic system metrics of a linux host: cpu, load, threads, openfiles, procs, diskio, disku, memory, swap, network

• gplv3
• Opcache

PHP opcache monitoring plugin

• perl5
• pgsql
• postgresql

check_pgactivity

Nagios remote agent

• gplv2+

check_smartmon

• none

check_ipsec

• CPU
• filesystems
• Linux
• memory
• sensors

check_system_basics

A Monitoring Plugin to test various basic operating system properties (on Linux for now)

• gplv2
• json
• Linux
• Website

check_json

Nagios plugin to check JSON attributes via http(s)