compare
Harbor vs Kraken
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Harbor | Kraken |
|---|---|---|
| Language | Go | Go |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 30k | 6.8k |
| Latest | v2.15.3 | v0.1.31 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 1 day between releases | about 14 days between releases |
| Active contributors | 32 commit authors on the default branch in the last 90 days | 6 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Distribution. Alternatives to Distribution →
Full replacementHarborBuilt on Distribution, with a web UI, users and policies on top.
PartialKrakenServes the registry API and spreads image layers peer to peer across large clusters, with S3, GCS or HDFS behind it.
Harbor
- v2.14.52026-10-06[CHERRY-PICK] Make openapi-generator-cli download URL configurable (#23186)
- v2.13.62026-10-06fix: pin redis 7.2.11 instead of 7.2.6 in the redis base image
- v2.15.32026-10-06(high): Path traversal vulnerability in distribution endpoints GHSA-qj39-pjf2-wmrc in a82c5528f
- v2.15.3-rc22026-09-24(cherry-pick) fix: avoid panic in user audit event resolver on nil event data (#23461)pre-release
- v2.15.3-rc12026-09-11(cherry-pick) fix: avoid panic in user audit event resolver on nil event data (#23461)pre-release
Kraken
- v0.1.312026-10-05docs(.github): improve issue templates
- v0.1.302026-09-28Fix flaky port allocation in scheduler test helpers
- v0.1.292026-09-14feat(bandwidth.Limiter): emit how much bandwidth throttling happens
- v0.1.282026-08-31fix(integ): Regenerate expired TLS certs used in integ tests
- v0.1.272026-07-06chore: add stdlib mock for io.Closer and update mockgen install instruction
Harbor
unsigned The latest release, v2.15.3, carries no signature GitHub could verify.
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Kraken
✓ signed The latest release, v0.1.31, carries a signature GitHub verified.
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