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Head-to-head · Infrastructure Monitoring

Icinga vs Checkmate

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Icinga #8 in Infrastructure Monitoring 8.7/10 Free plan · 60-day trial Free planFree trial✓ 3 of 3 features Visit Icinga
Checkmate #27 in Infrastructure Monitoring 7.1/10 Free plan Free plan✓ 2 of 3 features Visit Checkmate

Icinga leads on 1 check, Checkmate on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIcinga · 8.7/10
  • Free planboth
  • Free trialonly Icinga
  • Most featuresIcinga · 3 of 3

Icinga scores higher on our rubric for infrastructure monitoring: 8.7 against 7.1 out of 10; our editors rank them #8 and #27.

Icinga offers agentless monitoring; Checkmate doesn't.

Icinga is the better fit for open-source teams needing flexible checks. Checkmate is the better fit for free self-hosted endpoint and service monitoring.

  • Icinga fits best

    Open-source teams needing flexible checks

  • Checkmate fits best

    Free self-hosted endpoint and service monitoring

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Icinga 8.7/10 Visit ↗ Checkmate 7.1/10 Visit ↗
At a glance
Editor score 8.7 7.1
Ranking #8 in Infrastructure Monitoring #27 in Infrastructure Monitoring
Best for Open-source teams needing flexible checks Free self-hosted endpoint and service monitoring
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial 60 days —
Deployment Self-hosted Self-hosted
Platforms Web, Linux, Windows Linux, Windows, macOS
Support Email, Phone · 24/7 Community, Docs
Integrations 10 integrations 12 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Icinga 3/3 · Checkmate 2/3
VM monitoring ✓ ✓
Service monitoring ✓ ✓
Agentless monitoring ✓ (best) —
Specs
Included hosts Not checked yet Not checked yet
Metrics retention Not checked yet Not checked yet
Deployment model Self-hosted Self-hosted
OS coverage Multiple Multiple
Our review
Pros
  • Unlimited hosts and services in the Forever Free Edition
  • Agent-based and agentless monitoring across Linux and Windows
  • Broad integrations, custom checks, plugins, and REST API automation
  • No monitor limits and all features included on the Free plan
  • Covers endpoints, hosts, containers, services, DNS, SSL, and hardware
  • Alerts through Slack, Teams, PagerDuty, SMS, webhooks, and more
Cons
  • Self-hosted deployment adds operational responsibility
  • Exclusive enterprise modules require a Module Subscription
  • The platform is primarily deployed on Linux
  • Self-hosted deployment puts infrastructure responsibility on your team
  • No AI features are included
  • Founded in 2023, it has a shorter operating history than older tools
Our verdict

Icinga is an open-source infrastructure monitoring system for IT teams managing servers, networks, applications, cloud resources, containers, and virtualized environments. It supports host and service availability checks, server and…

Read the review →

Checkmate is an open-source monitoring platform for teams that need self-hosted visibility across websites, APIs, network targets, containers, services, and server hardware. Its coverage includes HTTP and HTTPS endpoints, ICMP ping checks…

Read the review →
  1. IcingaInfrastructure Monitoring 8.7Free plan · 60-day trial
  2. CheckmateInfrastructure Monitoring 7.1Free plan

Strengths and trade-offs

  • Icinga — where it wins

    • Unlimited hosts and services in the Forever Free Edition
    • Agent-based and agentless monitoring across Linux and Windows
    • Broad integrations, custom checks, plugins, and REST API automation

    Where it doesn't

    • Self-hosted deployment adds operational responsibility
    • Exclusive enterprise modules require a Module Subscription
    • The platform is primarily deployed on Linux

  • Checkmate — where it wins

    • No monitor limits and all features included on the Free plan
    • Covers endpoints, hosts, containers, services, DNS, SSL, and hardware
    • Alerts through Slack, Teams, PagerDuty, SMS, webhooks, and more

    Where it doesn't

    • Self-hosted deployment puts infrastructure responsibility on your team
    • No AI features are included
    • Founded in 2023, it has a shorter operating history than older tools
  • Icinga8.7/10 · Free plan · 60-day trial

    A flexible, broad monitoring system for teams comfortable managing self-hosted infrastructure.

    Visit IcingaFull verdict →
  • Checkmate7.1/10 · Free plan

    A broad free monitoring stack for teams comfortable running it themselves.

    Visit CheckmateFull verdict →

More comparisons

All infrastructure monitoring comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update