Compare software

Prometheus AlertmanagerMoira
Free

Free and open source as part of the Prometheus project.

 Free

Free and open source; you host it yourself.

Self-hosted Self-hosted
  • Groups hundreds of related alerts into one notification
  • Silencing and inhibition to cut alert noise
  • Realtime alerting on Graphite and Prometheus metrics
  • Separate API, checker and notifier services
  • Configured through files rather than a full graphical interface
  • Designed around Prometheus and its alerting rules
  • Needs an existing Graphite or Prometheus metrics setup
  • Several services to deploy and maintain
Downloadable app, Self-hosted Self-hosted
Open source Open source
License not stated License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.