Open Source Nagios Alternatives

    The best open source alternative to Nagios is Zabbix, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Nagios and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Nagios are Netdata (Free, Open Source), Icinga (Freemium, Open Source), Cockpit Project (Free, Open Source) and Cacti (Free, Open Source).

    This page was last updated Jul 21, 2021

    1. Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
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      Zabbix vs Nagios opinions
      Almost everyone thinks Zabbix is a great alternative to Nagios.
      Innovative UI and complex functions.
      Positive comment over 3 years ago

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    2. Infrastructure-wide health monitoring & performance troubleshooting in one place. Collaborate in the same place as relevant data from your systems and applications, reducing mean time to acknowledge (MTTA), & mean time to resolution. (MTTR).
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      Netdata vs Nagios opinions
      pros, cons and recent comments
      Super fast monitoring of the system, and also of the monitors the kernel of the system.
      Positive comment over 4 years ago

      0


    3. Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga.
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      Almost everyone thinks Icinga is a great alternative to Nagios.
    4. Makes it easy to administer Linux servers via a web browser. It allows you to easily perform simple tasks like storage administration, inspecting journals, starting & stopping services, monitoring & administering several servers at once.
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    5. Cacti is a complete frontend to RRDTool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven.
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      Most users think Cacti is a great alternative to Nagios.


      • FreeOpen Source
      • Linux
      • BSD
      • MySQL Community Edition
      • Apache HTTP Server
      • JavaScript
      • PHP
      LibreNMS is an autodiscovering PHP/MySQL based network monitoring system forked from Observium. LibreNMS aims to be easy to use, painless to deploy, and support monitoring of a wide range of devices.
      LibreNMS vs Nagios opinions
      pros, cons and recent comments
      Best open source tool that I've tried! Easy to install, manage and low support.
      Positive comment over 2 years ago

      0
      Teke2 So easy to setup, very powerful, and can use the Nagios plugins.
      Positive comment over 3 years ago

      0
    6. PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.
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    7. Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work.
    8. Enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes.
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      • FreeOpen Source
      • Self-Hosted
      Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.
    Showing 10 of 33 alternatives