The 11 cheapest it · monitoring

The cheapest provider in the Top 11 Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026 is New Relic, followed by Zabbix.

Why this answer

Sorted by published starting price, lowest first. We use each provider's lowest documented price band; where pricing is undisclosed, the entry falls to the bottom of the list.

Showing the top 11 of 11+ screened. Methodology at /methodology.

  1. #1New Relic(rank #3 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

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

    Full New Relic review · Compare: New Relic vs Zabbix · Alternatives

  2. #2Zabbix(rank #7 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

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

    Full Zabbix review · Alternatives

  3. #3Nagios(rank #10 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

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    Monitors anything thanks to a huge library of community plugins.

    Full Nagios review · Alternatives

  4. #4Netdata(rank #11 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

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    Unparalleled real-time visibility with per-second metrics.

    Full Netdata review · Alternatives

  5. #5Datadog(rank #1 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

    $15/mo+

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

    Full Datadog review · Alternatives

  6. #6Dynatrace(rank #2 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

    $21/mo+

    Best for automated root cause analysis in complex enterprise systems.

    Full Dynatrace review · Alternatives

  7. #7Checkmk(rank #9 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

    $600/mo+

    High-performance core reduces CPU load on monitored systems.

    Full Checkmk review · Alternatives

  8. #8SolarWinds(rank #6 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

    $1,600/mo+

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

    Full SolarWinds review · Alternatives

  9. #9PRTG Network Monitor(rank #8 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

    $1,750/mo+

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

    Full PRTG Network Monitor review · Alternatives

  10. #10LogicMonitor(rank #4 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

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

    Full LogicMonitor review · Alternatives

  11. #11Splunk(rank #5 in Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026)

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    Powerful for troubleshooting via deep log correlation.

    Full Splunk review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .