Checkmk
8.8#1 in hardware monitoring softwareFrom $275 a monthFree planAndroidiOSWebAPI
VisitCheckmk vs Nagios Core
Nagios Core
5.9#19 in network monitoring - midmarket softwareFree planFree planAPILinuxSelf-hosted
VisitWhat both publish
| Fact | Checkmk | Nagios Core |
|---|---|---|
| Company history | Mathias Kettner founded a Munich consulting business in 2007 that later became Checkmk GmbH, and Checkmk Raw launched in 2012. | Nagios says Ethan Galstad began the open-source Nagios Core engine in 1999. |
| Extensibility | Developers can create custom checks, agent plug-ins, local checks and other extensions; the documentation points to the Checkmk Exchange. | Its plugin system supports custom checks, plugins written in languages such as Bash, Python, Perl, C, and PHP, and remote execution through NRPE or SSH. |
| Integrations | Checkmk advertises more than 2,000 built-in integrations covering hardware, networks, applications, operating systems and cloud or container platforms. | The features page names Grafana, InfluxDB, Prometheus, PagerDuty, Slack, and ServiceNow among its integration options. |
Checkmk plans
- CommunityFree
- Synthetic MonitoringFree
- Pro$275 a month
- Cloud$290 a month
- Ultimate$400 a month
Nagios Core plans
- Nagios CoreFree
Pick Checkmk if…
It suits teams monitoring mixed infrastructure, servers, networks, and cloud services. The Community edition is aimed at smaller infrastructures, while distributed monitoring can support larger setups.
Pick Nagios Core if…
You want what its maker publishes above — check its page for the details.