Top 11AI made for AI

Alternatives to Nagios

Nagios ranks #10 on the Top 11 The 11 Best IT Infrastructure Monitoring Software Tools. Below: the higher-ranked alternatives we’d steer you to instead, by use case.

Verified . No paid placement — see methodology.

  1. #1Datadog

    9.3 / 9.4

    The best unified platform for its ease of use and massive integration library.

    Best for: Unified cloud-scale monitoring · Pricing: $$ ($15 to $45/host/mo) · www.datadoghq.com/

  2. #2Dynatrace

    9.1 / 9.4

    Best for automated root cause analysis in complex enterprise systems.

    Best for: AI-powered enterprise monitoring · Pricing: $$$ ($21 to $69/host/mo) · www.dynatrace.com/

  3. #3New Relic

    8.9 / 9.4

    Top choice for deep application insights with a generous free tier.

    Best for: Developer-centric observability · Pricing: $$$ (Usage-based) · newrelic.com/

  4. #4LogicMonitor

    8.6 / 9.4

    Fast setup for hybrid IT with 2,000+ monitoring templates.

    Best for: Hybrid cloud monitoring · Pricing: $$$ (Quote-based) · www.logicmonitor.com/

  5. #5Splunk

    8.4 / 9.4

    Powerful for troubleshooting via deep log correlation.

    Best for: Extending log analytics to monitoring · Pricing: $$$$ (Usage-based) · www.splunk.com/

  6. #6SolarWinds

    8.1 / 9.4

    Offers deep visibility into on-premise networks and Windows servers.

    Best for: Broad on-premise IT management · Pricing: $$$ (Perpetual license) · www.solarwinds.com/

  7. #7Zabbix

    7.9 / 9.4

    The most powerful and flexible free, open-source monitoring tool.

    Best for: Powerful open-source monitoring · Pricing: $ (Free, paid support) · www.zabbix.com/

  8. #8PRTG Network Monitor

    7.7 / 9.4

    Simple, sensor-based model is great for network admins.

    Best for: Easy-to-use network monitoring · Pricing: $$ (Perpetual license) · www.paessler.com/prtg

  9. #9Checkmk

    7.5 / 9.4

    High-performance core reduces CPU load on monitored systems.

    Best for: Efficient large-scale monitoring · Pricing: $$ (Subscription) · checkmk.com/

See the full ranked list: The 11 Best IT Infrastructure Monitoring Software Tools. Or compare any two: side-by-side.