vioscale
Comparison

Checkmk vs Nagios

No leader: the top candidate Nagios has only 0.17 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Checkmk full profile →Nagios full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Checkmk62
Nagios100
Score
Vioscale score
Checkmk62 / 100low · 42%updating
Nagios100 / 100low · 17%updating
Pricing
Free tier
Checkmk✓
Nagios✓
Model
Checkmkfreemium
Nagiosopen_source
Price level
Checkmkhigh
Nagiosfree
Starting price
Checkmk€190
Nagios–
Transparent
Checkmk✓
Nagios–
Integrations
Count
Checkmk2,000
Nagios4,000
Security
Gdpr
Checkmk✓
Nagios–
Reliability
Sla pct
Checkmk99.5
Nagios–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for network monitoring. “-” means undocumented, not absent.

Capabilities
Snmp polling
Checkmk-
Nagios✓
Netflow sflow ipfix
Checkmk-
Nagios✓
Auto discovery topology
Checkmk-
Nagios✓
Wifi monitoring
Checkmk-
Nagios-
Sdwan monitoring
Checkmk-
Nagios-
Synthetic active monitoring
Checkmk-
Nagios-
Config backup change mgmt
Checkmk-
Nagios✓
Cloud VPC monitoring
Checkmk-
Nagios✓
Multi tenant msp
Checkmk-
Nagios-
Anomaly detection
Checkmk-
Nagios-
Open source
Checkmk-
Nagios✓

What each one is

The product in its own terms, so the numbers below have context.

Checkmk

A comprehensive observability solution that monitors infrastructure, applications, and synthetic endpoints across hybrid and cloud environments, with over 2000 pre-built integrations and automated discovery.

Independently observed

Nagios

A free, community-supported monitoring system that helps organizations detect infrastructure issues and prevent downtime by monitoring servers, networks, applications, and services. It offers a modular plugin architecture for extensibility and includes optional web-based dashboards and visualization tools.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Checkmk

from €190/moSubscriptionFree tier30-day trial

Free open source tier; paid subscriptions from €190/month billed annually, priced by services, metrics, or synthetic tests monitored

  • Free & Open SourceFree
    • 2000+ pre-built integrations
    • Auto-discovery
    • SNMP monitoring
    • Event console
  • Pro / Ultimate (Self-Hosted)€190/month billed annually
    • 2000+ integrations
    • Advanced cloud integrations
    • Kubernetes monitoring
    • REST API
    • Automated discovery
    • +1 more
  • Cloud (SaaS)Managed cloud platform with service-based pricing
    • 2000+ integrations
    • Advanced cloud integrations
    • Kubernetes monitoring
    • REST API
    • Built-in cloud dashboards
    • +1 more
as of verify ↗

Nagios

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Checkmk✓
Nagios✓
macOS
Checkmk✗
Nagios✓
Windows
Checkmk✗
Nagios✓
Linux
Checkmk✓
Nagios✓
CLI
Checkmk✓
Nagios✓
Deployment
Cloud / SaaS
Checkmk✓
Nagios✗
Self-hosted
Checkmk✓
Nagios✓
On-premise
Checkmk✓
Nagios✓
Air-gapped
Checkmk✓
Nagios✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (4)
  • Slack
  • ServiceNow
  • Prometheus
  • VMware

Checkmk

19 total - 15 not shared
  • Mattermost
  • Jira
  • Kubernetes
  • OpenShift
  • Redis
  • Couchbase
  • RabbitMQ
  • FortiGate
  • Pulse Secure
  • Cisco ASA
  • Cisco Webex
  • AWS
  • Azure
  • Google Cloud
  • Salesforce
Independently observed

Nagios

26 total - 22 not shared
  • Grafana
  • InfluxDB
  • Apache
  • Nginx
  • IIS
  • Tomcat
  • MySQL
  • PostgreSQL
  • Oracle
  • SQL Server
  • MongoDB
  • LDAP
  • Active Directory
  • JBoss
  • WebLogic
  • Citrix
  • PagerDuty
  • DB2
  • EC2
  • Hyper-V
  • MSSQL
  • IPMI
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.