Nagios XI
8.1#2 in dns monitoring software$2,595 one-timeFree planWebAPILinuxmacOS
VisitNagios XI vs Sematext APM
Sematext APM
6.5#21 in metrics monitoring toolsFrom $19 a monthWebAPILinuxSelf-hosted
VisitWhat both publish
| Fact | Nagios XI | Sematext APM |
|---|---|---|
| Access controls | Users can be limited to the Host and Service groups assigned to them. | The product page describes fine-grained role-based access control and an audit trail showing who acted, where and when, and from which IP address and country. |
| Company history | Nagios Enterprises was founded by Ethan Galstad in 2007 in St. Paul, Minnesota. | Sematext says it launched as Sematext International in spring 2010 and launched Sematext Monitoring in fall 2013. |
| Founded | 2007 | 2010 |
| Headquarters | St. Paul, Minnesota, United States | Brooklyn, New York, USA |
| Integrations | Nagios XI supports authentication with Active Directory or LDAP over SSL, Single Sign-On with Microsoft Entra ID, and two-factor authentication through Duo. | Sematext says it offers over 100 out-of-the-box integrations; its integrations page lists categories including databases, cloud services, programming languages, and notification hooks. |
Nagios XI plans
- Standard — 100 Nodes$2,595, paid once
- Enterprise — 100 Nodes$4,690, paid once
- FreeFree
- Standard$2,595, paid once
- Standard (100-Node)$2,595, paid once
- Enterprise$4,690, paid once
Sematext APM plans
- Tracing$19 a month
Pick Nagios XI if…
Nagios XI suits teams that want to monitor infrastructure from a Linux server they manage. It is also relevant to organizations that need self-hosted deployment, node-based licenses, or offline installation.
Pick Sematext APM if…
It suits teams monitoring applications, infrastructure, logs, and distributed traces across Linux, Windows, containers, or Kubernetes. The platform also fits organizations needing integrations, alert routing, and audited access controls.