alternative to PagerDuty

Alertmanager

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About

Prometheus Alertmanager

Owner: Prometheus organisation
Stars: 8.6k
Forks: 2.5k
Latest: v0.34.1
Last push: 2026-10-06
Terms: Open source
Self-hosted: Yes
Created: 2013, 13 years ago
Release cadence: about 27 days between releases
Active contributors: 44 commit authors on the default branch in the last 90 days
Platforms: Linux (x86_64, arm64, x86, armv7, arm, riscv64, ppc64le, s390x), macOS (x86_64, arm64), Windows (x86_64, arm64, x86), FreeBSD (x86_64, arm64, x86, armv7, arm), OpenBSD (x86_64, arm64, x86, armv7), NetBSD (x86_64, arm64, x86, armv7, arm)

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