Alternatives to Nagios for all platforms with any license

  • Zabbix icon

    Zabbix

    Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without...

    Open Source Linux Self-Hosted FreeBSD OpenBSD

  • Spiceworks icon

    Spiceworks

    Join millions of IT professionals and download Spiceworks, a free network monitoring software with network management tools, help desk...

    Free Windows Web / Cloud Android Android Tablet

  • Icinga icon

    Icinga

    Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga....

    Open Source Mac Linux

  • Munin icon

    Munin

    Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our...

    Open Source Mac Windows Linux

  • Datadog 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...

    Freemium Mac Windows Linux Web / Cloud

  • Monit icon

    Monit

    Monit is a free open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX...

    Open Source Mac Linux BSD

  • PRTG Network Monitor icon

    PRTG Network Monitor

    An advanced network monitoring solution to monitor network up/downtime, traffic and usage. Features include availability, performance...

    Freemium Windows

  • 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...

    Open Source Windows Linux BSD Self-Hosted PHP

  • Shinken icon

    Shinken

    Shinken is an open source computer system and network monitoring software application compatible with Nagios. It's written in...

    Open Source Mac Windows Linux Android Android Tablet

  • Pulseway icon

    Pulseway

    Pulseway changes the enterprise monitoring and management game with its mobile management solution. Now you can receive alerts and...

    Commercial Mac Windows Linux Android iPhone Blackberry ... Windows RT Android Tablet Windows Phone iPad

  • Cacti icon

    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...

    Open Source Windows Linux

  • Observium icon

    Observium

    Observium is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware...

    Freemium Linux Web / Cloud BSD

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  • Check_MK icon

    Check_MK

    Check_MK is comprehensive IT monitoring solution in the tradition of Nagios. Check_MK is available as Raw Edition, which is 100% pure...

    Open Source Linux

  • NetCrunch icon

    NetCrunch

    NetCrunch 9 is an all-in-one and agentless network, server, application, log, file and web monitoring suite. It runs on Windows Server...

    Commercial Mac Windows Linux Web / Cloud Self-Hosted

  • Zenoss Core icon

    Zenoss Core

    Zenoss (Zenoss Core) is an open source application, server and network management platform based on the Zope application server....

    Open Source Mac Linux Android

  • netdata

    netdata - Real-time performance monitoring, done right! netdata is the fastest way to visualize metrics. It is a resource...

    Open Source Linux C (programming language)

  • op5 Monitor icon

    op5 Monitor

    Our open and flexible server and network monitoring solution delivers a unified view of your entire IT environment.

    Freemium Linux iPhone iPad

    • Based on Naemon, a fork of Nagios. Can use all Nagios plugins.
      mfalkviddVIII 2015 Disagree   Agree
  • Dynatrace Ruxit icon

    Dynatrace Ruxit

    All-in-One monitoring solution that covers your entire application stack: • Application performance monitoring for Java, Node.js...

    Commercial Windows Linux Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

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  • HappyApps icon

    HappyApps

    Sophisticated Uptime Monitoring for your Apps, DBs, IT systems, and business services. Get pro-active alerts and fix incidents with...

    Freemium Mac Windows Linux Web / Cloud

  • NAV icon

    NAV

    NAV (Network Administration Visualized) is a free software program to monitor networks, developed by UNINETT and used by universities...

    Open Source Linux Self-Hosted

  • Monitis icon

    Monitis

    Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application...

    Freemium Web / Cloud

  • Port Monitor icon

    Port Monitor

    Port Monitor is an easy and online tool that does website and server monitoring for you 24/7 every 60 seconds and sends you or your...

    Freemium Web / Cloud

  • OpenNMS icon

    OpenNMS

    OpenNMS is an enterprise grade network monitoring and network management platform developed under the free software or open source...

    Open Source Mac Windows Linux

  • The Dude icon

    The Dude

    The Dude network monitor is a new application by MikroTik which can dramatically improve the way you manage your network environment....

    Free Windows

  • Sensu Core icon

    Sensu Core

    The Sensu Open Source Project (a.k.a. "Sensu Core") intends to provide an open framework for building comprehensive...

    Free Personal Linux

  • Cabot

    Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty

    Open Source Self-Hosted

  • CoScale icon

    CoScale

    Full stack web performance monitoring. Includes server, container, application, and end-user monitoring, powered by anomaly detection.

    Commercial Mac Windows Linux Web / Cloud

  • IT Asset Tool icon

    IT Asset Tool

    Free Software Asset Management, Inventory software and hardware in your Company. It's Easy, Fast and Free!!

    Free Windows

  • Opsview Atom icon

    Opsview Atom

    Opsview Atom is ideal for personal use, SoHo setups, test or lab environments or just to get your hands dirty with all of...

    Free Linux

  • Axibase Time Series Database icon

    Axibase Time Series Database

    ATSD is purpose-built for analyzing and reporting on massive volumes of time-series data collected at high frequency. Features include...

    Free Linux Self-Hosted

  • Wolfpack

    Wolfpack aims to be the "swiss army knife" of monitoring. To borrow a line from Etsy..."if it moves we monitor it, even...

    Open Source Windows

  • AppBeat icon

    AppBeat

    We monitor your websites and alert you when they fail (failure is confirmed from multiple probe locations). Integrated also public...

    Freemium Web / Cloud

  • Total Network Monitor icon

    Total Network Monitor

    Total Network Monitor 2 is a network monitoring software program that is designed to continuously monitor your local network...

    Commercial Windows

  • Opsview Enterprise icon

    Opsview Enterprise

    Opsview is award winning unified service monitoring software for complex, distributed IT infrastructures.

    Commercial Windows Linux

Nagios Comments

Icinga 2 is a great alternative to Nagios

Negative Comment by nathanmarcarelli
about Nagios 15 days ago

Icinga 2 is a great alternative to Nagios

n 2009, a group of Nagios community developers left to create a better network monitoring tool – Icinga. Also released as Open Source, Icinga better reflects the wishes of the community and changing needs of the IT marketplace. Icinga overcomes many obstacles found within Nagios and continues to demonstrate a pattern of growth, releasing new versions every few months.

  • With Icinga 2, the developers rewrote the core code, correcting many shortcomings like improving complicated configuration and improving scalability limitations in large deployments.
  • Icinga 2’s core was also rewritten in C++ with a new component-loader architecture and process for executing monitoring checks. Worldwide market acceptance of Icinga 2 has been overwhelming.
  • Icinga 2 can use the broad array of common Nagios monitoring plugins, whether they run on the monitoring server or on the local client.
  • The Icinga Web 2 interface is more flexible and extensible than the basic grid interface provided by Nagios.
  • The rewrite of Nagios (Icinga 1) significantly improved the efficiency of the monitoring code, and in the redesign we know as Icinga 2 this has been retained as a key design principle.
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