Checkmk vs Nagios
Side-by-side from the Top 11 ranking of Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026. Last verified June 19, 2026.
The short answer
Checkmk ranks higher on Top 11 (#9 vs #10) for IT teams monitoring server uptime, network health, and application performance. High-performance core reduces CPU load on monitored systems.
At a glance
| Checkmk | Nagios | |
|---|---|---|
| Top 11 rank | #9 / Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026 | #10 / Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026 |
| Score (out of 9.4) | 7.5 | 7.3 |
| Best for | Efficient large-scale monitoring | Extensible open-source engine |
| Pricing | $$ (Subscription) | $ (Free, paid edition) |
| HQ | Munich, Germany | Saint Paul, USA |
| Founded | 2009 | 1999 |
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.