Icinga Web 2 vs Uptime Kuma

A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureIcinga Web 2Uptime Kuma
CategoryMonitoring & StatusMonitoring & Status
LicenseGPL-2.0MIT
LanguagePHPJavaScript
Setup difficultyMediumEasy
Min. RAM512 MB256 MB
Deploymentdocker, bare-metal, sourcedocker
GitHub stars★ 839★ 89,960
First released20142021
ReplacesNagios XI, op5 MonitorPingdom, UptimeRobot

Why pick each one

Choose Icinga Web 2 if…

  • Fast and lightweight UI
  • Strong module ecosystem
Icinga Web 2 details

Choose Uptime Kuma if…

  • Very easy to use
  • Great notifications
  • Lightweight
Uptime Kuma details

Frequently asked questions

Is Icinga Web 2 or Uptime Kuma better?

Uptime Kuma is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Icinga Web 2 if its specific feature set fits your needs better.

Are Icinga Web 2 and Uptime Kuma free and open-source?

Yes. Icinga Web 2 is licensed under GPL-2.0 and Uptime Kuma under MIT. Both can be self-hosted at no software cost.

Can I run Icinga Web 2 and Uptime Kuma with Docker?

Icinga Web 2: yes. Uptime Kuma: yes.

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