Nagios XI
8.1#2 in dns monitoring software$2,595 one-timeFree planWebAPILinuxmacOS
VisitNagios XI vs Sematext Monitoring
Sematext Monitoring
6.5#19 in infrastructure monitoring$2.80 usage-basedWebLinuxWindows
VisitWhat both publish
| Fact | Nagios XI | Sematext Monitoring |
|---|---|---|
| Company history | Nagios Enterprises was founded by Ethan Galstad in 2007 in St. Paul, Minnesota. | Sematext's history says it launched as Sematext International in spring 2010 and that Sematext Monitoring launched in fall 2013. |
| Dashboards | Smart Dashboards provide graph, gauge, pie, treemap, data-table, heatmap, text and URL dashlets with role or group filtering. | The product provides service-specific charts and dashboards with default alerts for each service type. |
| Headquarters | St. Paul, Minnesota, United States | Brooklyn, NY, 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 provides over 100 out-of-the-box integrations; its integrations page lists examples including AWS, AWS CloudWatch, AWS ECS, AWS Lambda, and AWS S3. |
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 Monitoring plans
- Infra Monitoring$2.80 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 Monitoring if…
It suits teams monitoring mixed infrastructure, Kubernetes, virtual machines, and cloud services. Linux and Windows coverage, integrations, and role-based access support shared operational work.