Softwr

Networking · head to head

Icinga vs Puppet

Icinga logo

Icinga

Networking

Open source infrastructure monitoring, free at its core, with paid support and modules sold separately by Icinga GmbH

From
Free
Rated
-
Full reviewWebsite
Puppet logo

Puppet

Cloud

Infrastructure automation for enterprises

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Icinga the free core has no vendor SLA, so production incidents are supported through community channels unless a paid support subscription is purchased; Puppet no pricing published for commercial tiers; requires contacting sales
  • They diverge on capability: Icinga covers Forever Free core, Puppet covers Manifests.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Icinga and Puppet actually diverge.

Attributes where Icinga and Puppet differ
AttributeIcingaPuppet
Pricing modelOpen source core, with paid repository, module and support subscriptions sold separatelyquote
PlatformsLinux, WebLinux, Windows, Mac, Api
CategoryNetworkingCloud
FoundedUnknown2005

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Icinga

  • Forever Free core
  • Clustering and HA
  • Icinga Web and API
  • Enterprise modules (paid)
  • Integration ecosystem

Only in Puppet

  • Manifests
  • Modules
  • Classes
  • Variables
  • Facts
  • Puppet Master
  • Hiera
  • Facter

What people use each for

The jobs each tool is most often brought in to do.

Icinga

  • An IT team wanting unlimited-scale open source monitoring with no per-host licence fee, running standard Linux distributionsnot Puppet
  • An organisation on RHEL or SLES that wants officially packaged Icinga builds via the repository subscription rather than building from sourcenot Puppet
  • A team wanting an SLA-backed vendor support relationship rather than relying on community forums for a production monitoring systemnot Puppet
  • A company already invested in Prometheus and Grafana wanting to add host and service-level alerting from a compatible open source toolnot Puppet

Puppet

  • Infrastructure automationnot Icinga
  • Configuration managementnot Icinga
  • DevOps at scalenot Icinga
  • Enterprise infrastructurenot Icinga

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Icinga

  • The free core has no vendor SLA, so production incidents are supported through community channels unless a paid support subscription is purchased
  • Repository access for enterprise Linux distributions like RHEL and SLES is not free, so organisations standardised on those distributions face a real recurring cost most open source monitoring buyers do not expect
  • Enterprise modules are gated behind a separate module subscription, so some functionality demonstrated in marketing material is not part of the free core
  • Self-hosting and operating Icinga requires real Linux and monitoring expertise that a commercial SaaS tool would otherwise absorb, so total cost of ownership includes staff time not captured in the licence price
  • Pricing for the paid subscriptions varies by geographic region and is not published as a single global rate card, complicating budgeting for multinational organisations
  • The web interface and configuration language, while capable, are less immediately polished than a fully commercial tool like PRTG, and initial setup takes longer to reach a usable state

Puppet

  • No pricing published for commercial tiers; requires contacting sales
  • Enterprise and Advanced tiers require custom quote
  • Free tier limited to 25 nodes maximum

Pricing, plan by plan

Icinga

Free
  • IcingaFree
    • Unlimited hosts and services
    • Clustering and API
    • Community support
  • Support Subscription$undefined/year
    • Professional support (8x5 or 24/7)
    • Includes module and repository subscriptions

Puppet

Free
  • DeveloperFree
    • Up to 25 nodes
  • Core Commercial$null/custom
    • 25+ nodes
    • Vendor-backed SLAs
    • Training with Certified Engineers
  • Enterprise$null/custom
    • Web GUI
    • RBAC
    • Multi-environment support
  • Advanced$null/custom
    • AI-powered features
    • Advanced patching
    • Vulnerability remediation

Which should you pick?

Choose Icinga if

  • You need forever free core.
  • You want to start without paying.
  • You work on Linux, Web.
  • You also want clustering and ha.
Icinga review

Choose Puppet if

  • You need manifests.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Api.
  • You also want modules.
Puppet review

Questions people ask

Is Icinga or Puppet better?
Neither clearly leads. Icinga starts at Free and Puppet at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Icinga or Puppet?
Icinga starts at Free and Puppet at Free.
Does Icinga or Puppet run on more platforms?
Icinga runs on Linux, Web. Puppet runs on Linux, Windows, Mac, Api.
Can I use Icinga for free?
Both have a free tier, so you can try either at no cost before committing.
What is Icinga best used for?
Icinga is most often used for an it team wanting unlimited-scale open source monitoring with no per-host licence fee, running standard linux distributions, an organisation on rhel or sles that wants officially packaged icinga builds via the repository subscription rather than building from source, a team wanting an sla-backed vendor support relationship rather than relying on community forums for a production monitoring system, a company already invested in prometheus and grafana wanting to add host and service-level alerting from a compatible open source tool. Of those, an it team wanting unlimited-scale open source monitoring with no per-host licence fee, running standard linux distributions and an organisation on rhel or sles that wants officially packaged icinga builds via the repository subscription rather than building from source are not what Puppet is typically brought in for.
What can Icinga do that Puppet cannot?
Icinga covers Forever Free core, Clustering and HA, Icinga Web and API, Enterprise modules (paid). Puppet covers Manifests, Modules, Classes, Variables.

Answered from the vendors’ own pages

Icinga: Is Icinga free to run in production?

Yes, the core platform has no licence fee and no limit on hosts or services monitored.

Puppet: How much does Puppet cost?

Puppet's Developer tier is free for up to 25 nodes. Commercial, Enterprise, and Advanced tiers require contacting their sales team for a custom quote.

Source
Icinga: What do the paid subscriptions actually add?

A repository subscription provides packages for certain enterprise Linux distributions, a module subscription unlocks enterprise-only add-on modules, and a support subscription bundles both with professional support.

Puppet: Is there a free version of Puppet?

Yes, Puppet's Developer tier is free forever for up to 25 nodes of infrastructure.

Source
Icinga: Is Icinga related to Nagios?

Yes, it originated as a fork of Nagios but has since diverged into an independently developed platform.

Puppet: What does the Enterprise tier include?

Puppet's Enterprise tier includes web GUI, RBAC, and multi-environment support for organizations managing infrastructure at scale, with pricing available upon request.

Source
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