Best Open-source Observability Suites tools

SigNoz

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

OpenObserve

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

Apache HertzBeat

Real-time agentless observability with custom monitoring and alerting

Netdata

Instant, per‑second visibility into every infrastructure component.

Odigos

Instant distributed tracing for any app without code changes

Cilium

eBPF-based networking, observability, and security for Kubernetes

Logfire

Simple Python‑centric observability platform for faster development

HyperDX

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

GreptimeDB

Unified observability database for metrics, logs, and traces

Uptrace

Unified tracing, metrics, and logs platform for modern applications

Pixie

Instant, code‑free observability for Kubernetes applications and clusters

Coroot

eBPF-powered observability platform with automated root cause analysis

highlight.io

Open-source fullstack monitoring with session replay and error tracking