SigNoz
MIT · Commercial use OK
SigNoz is a free, open-source alternative to Datadog, New Relic, Splunk. It can be used without subscription fees — and its source code is open for anyone to inspect, modify and self-host.
License
MIT
GitHub
Website
Replaces
3 commercial tools
GitHub stars
⭐ 32k
Written in
TypeScript
Forks
2.5k
Last activity
today
Growth (7 days)
+119 ★
apmapplication-monitoringdistributed-tracinggogood-first-issuejaegerloglogs
About
Open-source APM, logs and traces — a Datadog alternative. Its license (MIT) is permissive: free to use, modify and redistribute — including inside commercial and proprietary products.
What switching gets you
- No subscription, no per-seat pricing — free forever, for individuals and companies alike.
- Your data stays with you: it can run locally or on your own servers, with no vendor lock-in.
- The source code is public — auditable, extensible and maintained in the open by its community.
An open-source alternative to
Other alternatives worth a look
OpenObserve · ⭐ 21.6k · TypeScriptFull observability platform: logs, metrics, traces, RUM.Grafana · ⭐ 76.5k · TypeScriptDashboards and observability for metrics, logs and traces.OpenSearch · ⭐ 13.6k · JavaSearch and analytics suite, drop-in for log exploration.Grafana Loki · ⭐ 28.8k · GoCost-efficient log aggregation that pairs with Grafana.