Nagios Alternatives

One of the most popular alternatives to Nagios is Zabbix, which is free and open source. Other popular alternatives are Beszel, Netdata, Datadog and Better Stack. There's no shortage of Network Monitors like Nagios, with more than 100 alternatives for Linux, Windows, the web, self-hosting and Mac.

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Alternatives
Nagios alternatives page was last updated

Alternatives list

  1. WildcoreDMS icon
     1 like

    Network equipment monitoring and management system.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Linux
    • Docker
    Good alternative?
     
  2. Loggifly icon
     Like

    LoggiFly is a lightweight tool that monitors Docker container logs for predefined keywords or regex patterns and sends notifications.

    40 Loggifly alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
    Good alternative?
     
  3. amon icon
     1 like

    Amon is an all-in-one server monitoring tool. Amon monitors you cloud, system, process and applications metrics with zero configuration.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  4. IPNetwork Monitor is self-hosted network monitoring software for tracking uptime and performance on Windows, Linux, and other OS.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Linux
    • Self-Hosted
    Good alternative?
     
  5. TinyMon icon
     Like

    Minimalist server monitoring tool. Pull checks + Push API. One SQLite file. Runs on any cheap PHP shared hosting. Alternative to Prometheus, Nagios, Zabbix, and Uptime Kuma.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
    • Kubernetes
    Good alternative?
     
  6. LuxkernOS icon
     Like

    EU-hosted AI observability platform. Monitor LLM costs, latency, and compliance in one platform. GDPR and AI Act compliant.

    52 LuxkernOS alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  7. Sensu Go icon
     Like

    Sensu Go is a complete rewrite of Sensu in Go, with new capabilities and reduced operational overhead. It eliminates several sources of friction for new and experienced Sensu users.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Go (Programming Language)
    • Docker
    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • BSD
    Good alternative?
     
  8. MyDBA.dev icon
     Like

    PostgreSQL performance monitoring with 75+ automated health checks, cluster-aware index advisor, and extension monitoring for TimescaleDB, pgvector, and PostGIS.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  9. Self-hosted network monitoring for MSPs, IT teams and homelabs. SNMP, services, websites, alerts, diagnostics. Free for 100 devices.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Self-Hosted
    • Linux
    Good alternative?
     
  10. Bloonix icon
     Like

    Bloonix is a software for monitoring IT infrastructures. With Bloonix everything can be monitored what is to be reached about a network connection and for which there is a Plugin. Hardware components can be also monitored on which Bloonix cannot be installed, as for example...

    Cost / License

    Application type

    Platforms

    • Linux
    Good alternative?
     
  11. Vexor icon
     Like

    Vexor Monitoring — a modern all-in-one infrastructure monitoring platform. Screenshots, install guide, EULA and a free +1 year evaluation license.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Self-Hosted
    • Linux
    Good alternative?
     
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