Open source alternatives to Datadog

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grafanav13.3.1grafana/grafana

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

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prometheusv3.16.0prometheus/prometheus

The Prometheus monitoring system and time series database.

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signozv0.150.0SigNoz/signoz

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

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VictoriaMetricsv1.156.0VictoriaMetrics/VictoriaMetrics

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

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netdatav2.12.3netdata/netdata

The fastest path to AI-powered full stack observability, even for lean teams.

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openobservev1.1.2openobserve/openobserve

Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

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ClickStack@hyperdx/api@2.45.0ClickHouse/ClickStack

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

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lokiv3.7.10grafana/loki

Like Prometheus, but for logs.

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jaegerv2.23.0jaegertracing/jaeger

CNCF Jaeger, a Distributed Tracing Platform