No. 9 of 58 ·Hardware Monitoring Software

Icinga

Web · Windows · Linux · Self-hosted · API · paid plans from $166.67/mo

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Icinga is ranked #9 of 58 in hardware monitoring software on Freedom251. It runs on API, Linux, Self-hosted, Web, Windows. There is a free plan. A free trial is offered. Paid plans start at $166.67/mo.

Icinga plans and pricing

All plans

Forever Free Edition Free No subscription needed Unlimited hosts and services · Free and open source icinga.com · 4 Oct 2026

Module Subscription $2,000/yr 2.000 $/year Includes Icinga Dependency Views · Upcoming modules excluded icinga.com · 4 Oct 2026

Repository Subscription $5,000/yr 5.000 $/year Enterprise Linux installation packages for Amazon Linux, RHEL, and SLES · Includes 60-day free trial icinga.com · 4 Oct 2026

Support Subscription $15,000/yr starts at 15.000 $/year Basic tier · Price depends on infrastructure size · Includes professional support, enterprise modules, and enterprise installation packages icinga.com · 4 Oct 2026

Compared on hardware monitoring software

Free plan: Yes

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The record

Purpose: Icinga monitors infrastructure and applications, collecting and analyzing data to help teams identify and resolve errors.
Coverage: The product page describes monitoring servers, applications, and network devices, including on-premises and cloud servers.
Visibility: Icinga provides dashboards, filtered and grouped views, notifications, and troubleshooting entry points for root cause analysis.
Scale and customization: Icinga supports clustering, custom checks, plugins, configurable monitoring logic, and distributed environments.
Integrations: The maker lists integrations including Grafana, InfluxDB, Elastic, Graylog, Ansible, Puppet, Terraform, AWS, Azure, Jira, PagerDuty, and ServiceNow.
API: The free edition supports automation via API and Git-based workflows, and the pricing FAQ describes a REST API for custom integrations.
Security: Icinga says communication between nodes uses TLS/SSL and provides certificate tools for creating or using a certificate authority.
Certificate monitoring: Icinga can detect and monitor certificates, alert on certificates nearing expiry, and verify self-signed certificates with a custom trust store.
Support: Paid support offers 8×5 or 24/7 coverage, unlimited hosts and support cases, and plans covering 2, 5, or 10 Icinga servers.
Support limits: The support comparison lists 18 annual 24×7 cases for Enterprise, while Basic and Premium list none.
Platform availability: Official download packages are listed for Debian, Ubuntu, Windows, Fedora, openSUSE, Raspian, SLES, RHEL, and Amazon Linux; some require a paid subscription.
Update policy: Icinga’s rolling support model gives the latest component version full updates, the previous version security updates only, and older versions no maintenance.
Intended users: Icinga describes its monitoring solution for teams of any size and says it is designed to scale from small setups to large distributed environments.
Founded: 2009
Price from: $166.67/mo

Where it ranks on Freedom251

Best Hardware Monitoring Software in 2026#9 of 58
Best Kubernetes Monitoring in 2026#16 of 49
Best Container Monitoring in 2026#16 of 46
Best Metrics Monitoring Tools in 2026#7 of 33
Best Infrastructure Monitoring in 2026#6 of 28

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Sources

icinga.com/products/infrastructure-monitoring/· checked 4 Oct 2026
icinga.com/pricing/· checked 4 Oct 2026
icinga.com/products/integrations/· checked 4 Oct 2026
icinga.com/solutions/monitoring-and-security/· checked 4 Oct 2026
icinga.com/services/support/· checked 4 Oct 2026
icinga.com/get-started/download/· checked 4 Oct 2026
icinga.com/products/product-support-lifecycle/· checked 4 Oct 2026