Free Nagios AlternativesTop Network Monitors and other similar apps like Nagios

The best free alternative to Nagios is Zabbix, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Nagios and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Nagios are Netdata, Icinga, Better Stack and Cockpit Project.

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Alternatives list

  1. Zabbix icon
     201 likes

    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.

    130 Zabbix alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Self-Hosted
    • FreeBSD
    • OpenBSD
     
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    1
  2. Netdata icon
     67 likes

    Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems, containers, and applications.

    63 Netdata alternatives

    Cost / License

    Platforms

    • Mac
    • Linux
    • Online
    • BSD
    • Self-Hosted
    • C (programming language)
    • Python
    • GNU Bourne Again SHell
     
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    1
  3. Icinga icon
     36 likes

    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...

    69 Icinga alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
     
  4. Better Stack icon
     158 likes

    AI-driven SRE platform offering real-time infrastructure monitoring, incident management, log analytics, traces, error tracking, metrics, real user monitoring, status pages, and a warehouse, with full data ingestion, centralized dashboard, custom alerts, and reduced costs.

    240 Better Stack alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Software as a Service (SaaS)
     
  5. Cockpit Project icon
     41 likes

    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.

    36 Cockpit Project alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • Flathub
    • Self-Hosted
     
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    1
  6. Comprehensive monitoring solution with over 200 sensor types, user-friendly interface, and powerful capabilities such as traffic analysis, failover clustering, and remote probes. Offers email and SMS alerts, supports SNMP and WMI, provides high-availability features and detailed reporting.

    117 Paessler PRTG Network Monitor alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
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    2
  7. Spiceworks icon
     84 likes

    Free IT help desk software delivers network mapping, user ticket tracking, PC inventory management, contract and asset scanning, remote process control, automated cloud-based reporting, project management, and task prioritization for small and medium businesses.

    133 Spiceworks alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Windows
    • Online
     
  8. Tracebar icon
     5 likes

    TraceBar puts a live traceroute in your macOS menubar. It continuously monitors the network path to any host, showing every hop’s latency, packet loss, and route changes in real time.

    39 Tracebar alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Homebrew
     
  9. LibreNMS icon
     37 likes

    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...

    35 LibreNMS alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • MySQL Community Edition
    • Apache HTTP Server
    • JavaScript
    • PHP
     
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    2
  10. Monitorix icon
     9 likes

    Monitorix is a system monitoring tool designed to monitor as many services and system resources as possible. Due to its simplicity and small size it can also be used on embedded devices.

    Cost / License

    Application type

    Platforms

    • Linux
     
  11. Pandora FMS icon
     71 likes

    Enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes.

    40 Pandora FMS alternatives

    Cost / License

    Platforms

    • Windows
    • Linux
    • Self-Hosted
    • FreeBSD
    • OpenBSD
     
12 of 93 Nagios alternatives