Alternatives to Prometheus Alertmanager
A server that deduplicates, groups and routes alerts from Prometheus to email, PagerDuty and other receivers. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Prometheus Alertmanager
A server that deduplicates, groups and routes alerts from Prometheus to email, PagerDuty and other receivers.
Replacements
Listings that take over the same core job as Prometheus Alertmanager.
SolarWinds Incident Response
A hosted incident response service, formerly Squadcast, for alert handling, on-call schedules and escalations.
SolarWinds Incident Response is a hosted paid service with alert deduplication plus on-call schedules and escalations, replacing a self-hosted open-source server.
Better Stack
A hosted observability service combining uptime monitoring, logs, on-call alerts, incident management and status pages.
Better Stack is a hosted service with on-call alerts, incident grouping and status pages, but it is not open source and has no self-hosted option.
Keep
A self-hostable, open-source alert management platform that deduplicates, correlates and routes alerts.
Keep is an open-source self-hostable platform that deduplicates, correlates and routes alerts from several monitoring tools through a web interface, rather than file-based Prometheus configuration.
Robusta
An open-source tool that groups, enriches and routes Prometheus alerts from Kubernetes clusters to chat destinations.
Robusta groups and routes Prometheus alerts to chat with added cluster context and remediation playbooks, but it only applies to Kubernetes setups and may use external AI services.
Also worth comparing
These listings name Prometheus Alertmanager as their own alternative, so the relationship runs both ways.
Alerta
A self-hosted system that collects, deduplicates and displays alerts from many monitoring tools.
Prometheus Alertmanager groups, silences and routes alerts to email, PagerDuty and webhooks, but it is designed around Prometheus rules and is configured through files rather than a full web interface.
Similar software
Related functionality, not a direct replacement.
karma
A self-hosted web dashboard for viewing, grouping and silencing alerts from Prometheus Alertmanager.
Apprise API
A self-hosted REST API that wraps the Apprise library to send notifications to many services.
Sentry
An error tracking and application performance monitoring service for developers, hosted or self-hosted.
PagerDuty
A hosted incident management and on-call platform that routes alerts to responders and automates response.
ElastAlert 2
A self-hosted alerting tool that watches Elasticsearch and OpenSearch data and sends notifications when patterns match.
OneUptime
An open-source platform for uptime monitoring, status pages, incidents, on-call alerting and observability.
