Graylog license history
Current license
SSPL-1.0Source-availableChanged from GPL-3.0-only to SSPL-1.0 starting with 4.0.0 on 2021-02-04.
Versions before 4.0.0 remain under GPL-3.0-only.
- Self-hosting
- Allowed
- Offering as a managed service (SaaS)
- Restricted
Commercial impact: Restricted
This is our summary of the license text and may contain errors or omissions. Check the original sources before you decide. Disclaimer and corrections → · Spot an error? Report it
License timeline
2021-02-04
From 4.0.0
Restricted
Self-hosting: Allowed
Offering as a managed service (SaaS): Restricted
Graylog relicensed to SSPL-1.0.
Sources
- OfficialGraylog license announcement
Verified 2026-10-28·Confidence: High
Originally released under GPL-3.0-only
For reference only. Not legal advice. How a license applies depends on your use; the license text and your counsel decide. Methodology and disclaimer →

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