Open Source Observability & Performance Tools
3 open source observability platforms you can self-host. Compare Datadog, New Relic, and Grafana alternatives for metrics, traces, and logs. Updated Sept 2026.
Grafana
An open-source observability and data-visualization platform, and a self-hostable alternative to Datadog, New Relic, and Grafana Cloud. Grafana unifies metrics, logs, and traces from sources like Prometheus, Loki, Elasticsearch, and PostgreSQL into shared dashboards, with alerting and annotations built in.
Sentry
A developer platform for error tracking and performance monitoring that helps developers identify, resolve, and gain insights into application issues across multiple programming languages and frameworks.
Netdata
An open-source observability platform for real-time infrastructure monitoring, providing instant insights into system performance with zero-configuration installation and powerful analytics capabilities.