Resource / Observability

OpenTelemetry

An open observability standard for cross-language traces, metrics and logs.

Free and open source

The specification, SDKs and Collector are open source; backend storage costs are billed separately.

28 / 30

Strong Candidate · Maintenance risk 5/5

Last verified: 2026-08-28. A free tier is not a permanent commitment; re-check the official conditions before use.