Comparison

Checkmk vs Nagios

No leader: the top candidate Nagios has only 0.21 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.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Checkmk58
Nagios60
Score
vioscaleAI score
Checkmk58 / 100medium · 50%
Nagios60 / 100low · 21%
Pricing
Free tier
Checkmk✓
Nagios✓
Model
Checkmkfreemium
Nagiosfreemium
Price level
Checkmklow
Nagioslow
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
Content
Faq
Checkmk7 items
Nagios5 items

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

An open-source platform for monitoring servers, networks, applications, and cloud infrastructure using active polling, with log analysis and visualization capabilities.

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

HybridFree tier30-day trial

Free Community edition; Pro and Ultimate are self-managed subscriptions; Cloud is a managed SaaS option. All pricing based on services/metrics/tests monitored rather than host count.

  • CommunityFree
  • Pro-
  • Ultimate-
  • Cloud-
  • Ultimate with Multi-TenancyContact sales
as of verify ↗

Nagios

HybridFree tier30-day trial
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✗

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

20 total - 16 not shared
  • Mattermost
  • Jira
  • Kubernetes
  • OpenShift
  • Redis
  • Couchbase
  • RabbitMQ
  • FortiGate
  • Pulse Secure
  • Cisco ASA
  • Cisco Webex
  • AWS
  • Azure
  • Google Cloud
  • Salesforce
  • GCP
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
Still deciding?

Checkmk or Nagios: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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