Best Open-source Observability Suites tools

OpenObserve

Petabyte‑scale observability platform, 10x easier, 140x cheaper

SigNoz

Unified observability: logs, metrics, and traces in one UI

GreptimeDB

Unified observability database for metrics, logs, and traces

Cilium

eBPF-based networking, observability, and security for Kubernetes

Odigos

Instant distributed tracing for any app without code changes

Netdata

Instant, per‑second visibility into every infrastructure component.

HyperDX

ClickHouse-native observability platform unifying logs, traces, and replays

Apache HertzBeat

Real-time agentless observability with custom monitoring and alerting

Coroot

eBPF-powered observability platform with automated root cause analysis

Logfire

Simple Python‑centric observability platform for faster development

Pixie

Instant, code‑free observability for Kubernetes applications and clusters

highlight.io

Open-source fullstack monitoring with session replay and error tracking

Uptrace

Unified tracing, metrics, and logs platform for modern applications