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OpenObserve vs Security Onion

The same facts for both, read from GitHub every night, and the relation a person reviewed.

OpenObserve vs Security Onion
FactOpenObserveSecurity Onion
LanguageTypeScriptShell
LicenceAGPL-3.0Other
Stars22k4.9k
Latestv1.1.0-rc13.3.0-20260911
Last push2026-10-062026-10-06
Release cadenceabout 3 days between releasesabout 24 days between releases
Active contributors43+ commit authors on the default branch in the last 90 days8 commit authors on the default branch in the last 90 days
Flagsnonenone
  • Both replace Splunk. Alternatives to Splunk →

    PartialOpenObserveLog search, dashboards and alerts.

    PartialSecurity OnionNetwork and host security monitoring with alerting, hunting and case management, not general log analytics.