Nagios vs Netdata
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
Nagios ranks higher on Top 11 (#10 vs #11) for IT teams monitoring server uptime, network health, and application performance. Monitors anything thanks to a huge library of community plugins.
At a glance
| Nagios | Netdata | |
|---|---|---|
| Top 11 rank | #10 / Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026 | #11 / Datadog vs Dynatrace vs New Relic: 11 Best IT Infrastructure Monitoring Software Tools 2026 |
| Score (out of 9.4) | 7.3 | — |
| Best for | Extensible open-source engine | Real-time, high-granularity monitoring |
| Pricing | $ (Free, paid edition) | $ (Free, paid cloud) |
| HQ | Saint Paul, USA | San Francisco, USA |
| Founded | 1999 | 2014 |
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.