Best OpenNMS Alternatives in 2026
Updated
20 apps from hardware monitoring software ranked against OpenNMS on the same published basis.
- 1OpenNMS vs Paessler PRTG Network Monitor
- 2OpenNMS vs HWMonitor
- 3OpenNMS vs ManageEngine OpManager
- 4OpenNMS vs Netdata
- 5OpenNMS vs NetXMS
- 6OpenNMS vs Glances
- 7OpenNMS vs LibreNMS
- 8OpenNMS vs AccuBattery
- 9OpenNMS vs Core Temp
- 10OpenNMS vs GSam Battery Monitor
- 11OpenNMS vs PA File Sight
- 12OpenNMS vs Site24x7 Hardware Monitoring
- 13OpenNMS vs XStat
- 14OpenNMS vs AIDA64
- 15OpenNMS vs BatteryBot Pro
- 16OpenNMS vs Centreon
- 17OpenNMS vs Pokesensor
- 18OpenNMS vs smartmontools
- 19OpenNMS vs Supermicro SuperDoctor 5
- 20OpenNMS vs Checkmk
OpenNMS alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Paessler PRTG Network Monitor | 7.8 | Free plan | $16.67/mo | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | HWMonitor | 7.7 | Free plan | Free | Android, Windows |
| 3 | ManageEngine OpManager | 7.7 | Free plan | $7.92/mo | Android, API, iOS, Linux, self-hosted, Web, Windows |
| 4 | Netdata | 7.7 | Free plan | $4.50/mo | Android, iOS, Linux, Mac, self-hosted, Web, Windows |
| 5 | NetXMS | 7.7 | Free plan | Free | Android, API, Linux, Mac, self-hosted, Web, Windows |
| 6 | Glances | 7.6 | Free plan | Free | Android, API, Linux, Mac, self-hosted, Web, Windows |
| 7 | LibreNMS | 7.6 | Free plan | Free | Android, API, iOS, Linux, self-hosted, Web |
| 8 | AccuBattery | 7.5 | Free plan | Free | Android |
| 9 | Core Temp | 7.4 | No | — | Android, Windows |
| 10 | GSam Battery Monitor | 7.4 | Free plan | Free | Android |
| 11 | PA File Sight | 6.9 | No | $30/mo | Android, API, iOS, Linux, self-hosted, Windows |
| 12 | Site24x7 Hardware Monitoring | 6.8 | No | — | Web, Windows, Linux, iOS, Android, API |
| 13 | XStat | 6.8 | No | — | Android, Web, Windows |
| 14 | AIDA64 | 6.6 | No | — | Windows, Android, iOS |
| 15 | BatteryBot Pro | 6.6 | No | — | Android |
| 16 | Centreon | 6.3 | Free plan | €0.19/mo | API, Linux, self-hosted, Web, Windows |
| 17 | Pokesensor | 6.3 | Free plan | $5/mo | Linux, Mac, Windows |
| 18 | smartmontools | 6.3 | Free plan | Free | Linux, Mac, Windows |
| 19 | Supermicro SuperDoctor 5 | 6.3 | Free plan | Free | Linux, Windows |
| 20 | Checkmk | 6.2 | Free plan | $275/mo | API, Linux, Mac, self-hosted, Web, Windows |
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Questions about OpenNMS alternatives
What is the best alternative to OpenNMS?
Paessler PRTG Network Monitor, number 1 in hardware monitoring software with a score of 7.8 out of 10. The others here: HWMonitor, ManageEngine OpManager, Netdata and 16 more.
What is the best free alternative to OpenNMS?
Paessler PRTG Network Monitor is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.