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OpenObserve

OpenObserve is an AGPL-3.0 observability platform for logs, metrics, traces, RUM, session replay, pipelines, SLOs and LLM observability, deployed as a single binary.

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Introduction

OpenObserve is an open-source observability platform covering logs, metrics, traces, real-user monitoring (web, Android, iOS), session replay, pipelines, SLOs and LLM observability. It positions itself as a simpler alternative to Datadog, Splunk and Elasticsearch, claiming 140x lower storage costs and single-binary deployment (vendor claims).

The source code is at openobserve/openobserve on GitHub under the AGPL-3.0 licence, with about 23,000 stars; the most recent commit was on 11 November 2026.

Features

  1. Logs, metrics and traces: One platform.
  2. RUM and session replay: Front-end monitoring.
  3. Pipelines: Transform data on ingest.
  4. SQL and PromQL: Query languages.
  5. Single binary: Simple deployment.

Pros

  1. Free to use: Open source under AGPL-3.0.
  2. Maintained: Commits as recent as 11 November 2026.
  3. Community: About 23,000 GitHub stars.

Cons

  1. AGPL licence: Check obligations.
  2. Vendor claims: Verify cost claims with your own data.
docker run -d -p 5080:5080 -e ZO_ROOT_USER_EMAIL=root@example.com -e ZO_ROOT_USER_PASSWORD=ChangeMe123 public.ecr.aws/zinclabs/openobserve:latest

See docs for current image names and settings.

Resources:

Pricing

The open-source edition is free (AGPL-3.0); cloud and enterprise plans are paid, see site.

  1. Teams replacing Elasticsearch for logs.
  2. Cost-conscious observability.
  3. Not a fit if you need a mature commercial ecosystem.

Conclusion

OpenObserve is an ambitious, single-binary observability platform.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with OpenObserve side by side.