Best Prometheus Alternatives
The top-ranked Prometheus alternative is Grafana (Freemium). The best free option is Thanos (open source).
Prometheus is a widely used open-source monitoring and alerting toolkit built around time-series metrics, but scaling storage, long-term retention, and query limits lead teams to explore alternatives. People look for monitoring systems with better scalability, managed options, or richer visualization.
1An open-source observability platform for metrics, logs, and traces dashboards.
2A cloud monitoring platform covering infrastructure, APM, logs, and error tracking.
3VictoriaMetrics
FreemiumFast, cost-effective time-series database and monitoring solution.
Thanos
Open SourceOpen-source project extending Prometheus with long-term storage and HA.
InfluxDB
FreemiumTime-series database purpose-built for metrics and events.
Zabbix
Open SourceOpen-source enterprise monitoring for networks, servers, and services.
Nagios
FreemiumLong-established monitoring system for infrastructure and network health.
An observability platform for application performance, errors, and infrastructure.
Grafana Mimir
Open SourceScalable, highly available long-term storage for Prometheus metrics.
Elastic Observability
FreemiumObservability built on the Elastic Stack for metrics, logs, and traces.
OpenTelemetry
Open SourceOpen standard and tooling for collecting metrics, logs, and traces.
Netdata
FreemiumReal-time performance monitoring with per-second metrics and dashboards.
Prometheus alternatives: FAQ
What is the best alternative to Prometheus?
Grafana is ranked first on this list (Freemium). The ranking combines our base score with readers' votes, so it can change.
What is the best free alternative to Prometheus?
The highest-ranked free or open-source options here are Thanos, Zabbix and Grafana Mimir.
Which Prometheus alternatives work on Mac?
VictoriaMetrics, InfluxDB, Elastic Observability and OpenTelemetry run on macOS.
Which Prometheus alternatives work on Linux?
VictoriaMetrics, Thanos, InfluxDB and Zabbix run on Linux.
Know a Prometheus alternative we missed? Suggest it — we review submissions before they go live.