Alertmanager vs Beszel

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?
FeatureAlertmanagerBeszel
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0MIT
LanguageGoGo
Setup difficultyMediumEasy
Min. RAM64 MB128 MB
Deploymentdocker, kubernetes, binarydocker, binary
GitHub stars★ 8,572★ 24,108
First released20152024
ReplacesPagerDuty, OpsgenieUptimeRobot

Why pick each one

Choose Alertmanager if…

  • Powerful routing logic
  • Standard in the Prometheus stack
Alertmanager details

Choose Beszel if…

  • Extremely lightweight
  • Simple multi-host view
  • Easy setup
Beszel details

Frequently asked questions

Is Alertmanager or Beszel better?

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

Are Alertmanager and Beszel free and open-source?

Yes. Alertmanager is licensed under Apache-2.0 and Beszel under MIT. Both can be self-hosted at no software cost.

Can I run Alertmanager and Beszel with Docker?

Alertmanager: yes. Beszel: yes.

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