Self-hosted alert console that collects alerts from Prometheus, Nagios, Zabbix, CloudWatch and others, deduplicates and correlates them, and shows them in one web UI with an API and CLI.
Pricing and hosting
- Pricing
- Free
- Open source
- Yes (Apache-2.0)
- Self-hosted
- Yes
- Launched
- 2012
- Status
- Active
- Website
- alerta.io
Plans and prices change; check the tool's own site before you decide.
What it does
Alert routing and correlation checklist
8 of 10 confirmed in Alerta's own documentation. The same checklist is used for every tool in Alert routing.
- Many alert sources Yes
- Deduplication Yes
- Grouping or correlation Yes
- Silences or maintenance Yes
- Routing rules Not confirmed
- Inhibition or dependencies Not confirmed
- Enrichment Yes
- Hands off to on-call Yes
- Alert console Yes
- Two-way sync Yes
Grouping is 'simple correlation' of related events; two-way via PagerDuty callbacks and the Alertmanager silencer plugin; label-based routing rules not found
Checked against: docs.alerta.io, docs.alerta.io (2), docs.alerta.io (3), docs.alerta.io (4), docs.alerta.io (5)
Alternatives to Alerta
Other alert routing and correlation tools. See all 9.
-
BigPanda Event correlation platform for large IT operations teams that ingests alerts from many monitoring tools, groups related ones into incidents and adds topology and change context. -
Keep Open source alert management tool that pulls alerts from many monitoring sources, deduplicates and correlates them, and runs workflows on them. Acquired by Elastic in 2025. -
Moogsoft AIOps event correlation tool that cuts alert noise by clustering related events into situations. Owned by Dell since 2023 and sold as part of Dell APEX AIOps. -
Prometheus Alertmanager Receives alerts from Prometheus and compatible systems, then groups, deduplicates, silences and routes them to email, Slack, PagerDuty, webhooks and other receivers. -
Robusta Kubernetes alert enrichment and routing on top of Prometheus: adds pod logs, events and graphs to alerts and sends them to Slack, Teams and other sinks. Open source core plus a paid SaaS. -
Versus Incident Self-hosted alert relay that turns webhooks from Alertmanager, Grafana, Sentry and others into templated messages for Slack, Teams, Telegram and email, escalating to on-call tools if unacknowledged. - ElastAlert 2 Rule-based alerting on Elasticsearch and OpenSearch data: queries indices on a schedule and sends matches to email, Slack, PagerDuty and many other outputs.
- karma Dashboard for Prometheus Alertmanager that combines alerts from several Alertmanager instances, groups them and makes silences easy to manage.