Nagios Alternatives for Linux

There are many alternatives to Nagios for Linux if you are looking to replace it. The most popular Linux alternative is Small Zabbix iconZabbix, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Nagios and loads of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Nagios are Small netdata iconnetdata (Free, Open Source), Small CloudRadar Monitoring iconCloudRadar Monitoring (Paid), Small Icinga iconIcinga (Free, Open Source) and Small Datadog iconDatadog (Paid).

Nagios is a powerful monitoring system licensed under Nagios Enterprises that helps organizations identify and resolve IT infrastructure issues. If you're looking for more info about Nagios like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.

The list of alternatives was last updated: 6/3/2020 8:51:00 AM

Alternatives to Nagios for Linux with any license

  • Zabbix

    An uncompromising mature enterprise-level platform designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices, effortlessly scaling to even larger environments. 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.

    • Innovative UI and complex functions. Guest • May 2018 • 1 agrees and 2 disagrees Disagree   Agree

    Free Open Source Linux Self-Hosted FreeBSD OpenBSD

    Zabbix icon
  • netdata

    netdata is a system for distributed real-time performance and health monitoring. It provides unparalleled insights, in real-time, of everything happening on the system it runs (including applications such as web and database servers), using modern interactive web dashboards. netdata is fast and efficient, designed to permanently run on all systems (physical & virtual servers, containers, IoT devices), without disrupting their core function.

    • Super fast monitoring of the system, and also of the monitors the kernel of the system. Guest • Mar 2017 • 2 agrees and 1 disagrees Disagree   Agree

    Free Open Source Mac Linux Web BSD Self-Hosted ... C (programming language) Python Node.JS Bash

    netdata icon
  • CloudRadar Monitoring

    Monitoring your IT infrastructure has never been easier. CloudRadar monitors your servers, network devices and websites across all your locations - on-premise and in the cloud. Easy guided setup ensures that your monitoring is running reliably within minutes. Monitor all your servers, services and hosts in one application. Get immediate alerts of any outage or upcoming issue. CloudRadar can inspect the inside of servers and operating systems without opening backdoors.

    • really much much simpler to use with all the information accessible in a great format - sometimes the likes of Nagios is too complicated to get a view of stats you need quickly Guest • Jan 2019 • 4 agrees and 0 disagrees Disagree   Agree
    • Setup in a couple of minutes. Works right out the box. Cloud based - no downloads. neelsJan 2020 Disagree   Agree
    • The guided SaaS setup has extremely useful. I was able to get my 18 servers monitored in less than 30 min - and all the settings were preset at reasonable values. Guest • Jan 2020 Disagree   Agree
    • A more modern and user-friendly tool that is easy to use MarcEFeb 2019 • 1 agrees and 0 disagrees Disagree   Agree
    • I like that it monitors my entire setup, is easy to setup with helpful guides in the configuration - and it's the most affordable tool I've found so far. Guest • Sep 2018 • 2 agrees and 0 disagrees Disagree   Agree
    • Compared to other monitoring systems, CloudRadar is much easier to set and run. And, at the same time, it provides more monitoring capabilities. RonBowmanFeb 2019 Disagree   Agree
    • Very simple to configure and use bikaFeb 2019 Disagree   Agree
    • Cloud based setup saves weeks of configuration work. Optimized for smaller companies of 10-100 servers/devices. 5 servers always free. nocmollerJul 2017 • 2 agrees and 0 disagrees Disagree   Agree

    Commercial $ $ $ Mac Windows Linux Zabbix cPanel ... OpenVAS Microsoft Hyper-V Server NexentaStor pfSense FreeNAS Parallels Plesk Panel UCS Virtual Machine Manager Proxmox Virtual Environment Windows Server Essentials

    CloudRadar Monitoring icon
  • Icinga

    Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga. Though Icinga retains all the existing features of its predecessor, it builds on them to add many long awaited patches and features requested by the user community.

    Free Open Source Mac Linux

    Icinga icon
  • Datadog

    Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. Datadog's capabilities are provided on a SaaS-based data analytics platform that enables multiple teams to work collaboratively on infrastructure issues.

    Commercial $ $ $ Mac Windows Linux Web

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  • LibreNMS

    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. Observium's license changed to a modified QPL license in May 2012, and recently was split into free and commercial versions. Our aim with LibreNMS is to continue to create a usable NMS, but with a community focus and GPL licensing.

    • Best open source tool that I've tried! Easy to install, manage and low support. Guest • Apr 2019 Disagree   Agree
    • So easy to setup, very powerful, and can use the Nagios plugins. Teke2Mar 2018 Disagree   Agree

    Free Open Source Linux BSD MySQL Community Edition Apache HTTP Server JavaScript ... PHP

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  • Cacti

    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. Along with being able to maintain graphs, data sources, and Round Robin archives in a database, cacti handles the data gathering. There is also SNMP support for those used to creating traffic graphs with MRTG.

    Free Open Source Windows Linux

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  • Munin

    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. In Norse mythology Hugin and Munin are the ravens of the god king Odin. They flew all over Midgard for him, seeing and remembering, and later telling him. "Munin" means "memory".

    Free Open Source Linux

    Munin icon
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  • PHP Server Monitor

    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. * Monitor services and websites (see below). * Email, SMS and Pushover.net notifications. * View history graphs of uptime and latency. * User authentication with 2 levels (administrator and regular user).

    Free Open Source Windows Linux BSD Self-Hosted PHP

    PHP Server Monitor icon

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