# CNCF Distribution vs Harbor

| Attribute | CNCF Distribution | Harbor |
|---|---|---|
| **vioscaleAI score** | 66.3 (66% (medium)) | 65.8 (77% (high)) |
| activity.commits_last_30d | 63 | 58 |
| adoption.dependent_repos | 2,403 | 31 |
| adoption.github_stars | 10,646 | 29,540 |
| content.faq | `[{"answer":"Open-source implementation of the OCI Distribution Specification for storing and distributing container images. Enables organizations to tightly control their image storage and distribution pipeline with full ownership of their distribution infrastructure. It is indexed under Container Registries.","source":"https://distribution.github.io/distribution/","question":"What is CNCF Distribution?","confidence":0.6},{"answer":"CNCF Distribution is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://distribution.github.io/distribution/","question":"Is CNCF Distribution free to use?","confidence":0.6},{"answer":"Yes. CNCF Distribution can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://distribution.github.io/distribution/","question":"Can CNCF Distribution be self-hosted?","confidence":0.6},{"answer":"Yes. CNCF Distribution is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/distribution/distribution","question":"Is CNCF Distribution open source?","confidence":0.95}]` | `[{"answer":"Harbor is an open source registry that secures artifacts with policies and role-based access control, ensures images are scanned and free from vulnerabilities, and signs images as trusted. It is indexed under Container Registries.","source":"https://goharbor.io","question":"What is Harbor?","confidence":0.6},{"answer":"Harbor is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://goharbor.io","question":"Is Harbor free to use?","confidence":0.6},{"answer":"Harbor supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://goharbor.io","question":"What platforms does Harbor support?","confidence":0.6},{"answer":"Yes. Harbor can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://goharbor.io","question":"Can Harbor be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Harbor, including Trivy, Cosign, Redis and Valkey. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://goharbor.io","question":"What does Harbor integrate with?","confidence":0.6},{"answer":"Yes. Harbor is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/goharbor/harbor","question":"Is Harbor open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | Docker Hub enables developers to push, pull, and manage container images with their teams, automate builds and deployments through webhooks, and control access to repositories. | A self-hosted Docker Distribution extension that provides centralized storage for container images and Helm charts with integrated security features including image signing, vulnerability scanning, user authentication, access control, and cross-registry replication. |
| features.capabilities | `{"rbac":true,"web_ui":true,"hosting":"self","image_signing":true,"oci_compliant":true,"private_repos":true,"artifact_types":"images","vulnerability_scanning":true}` | `{"rbac":true,"web_ui":true,"hosting":"self","image_signing":true,"oci_compliant":true,"private_repos":true,"artifact_types":"images_helm","high_availability":true,"pull_through_cache":true,"replication_mirroring":true,"vulnerability_scanning":true}` |
| integrations.count | - | 6 |
| integrations.list | - | `[{"name":"Trivy"},{"name":"Cosign"},{"name":"Redis"},{"name":"Valkey"},{"name":"LDAP","native":true,"category":"auth","direction":"inbound"},{"name":"Active Directory","native":true,"category":"auth","direction":"inbound"},{"name":"Docker","native":true,"direction":"outbound"},{"name":"Helm","native":true,"direction":"outbound"}]` |
| language.primary | Go | Go |
| license.spdx | Apache-2.0 | Apache-2.0 |
| platform.support | `{"web":true}` | `{"cli":true,"web":true,"linux":true}` |
| pricing | `{"type":"subscription","freeTier":true,"sourceUrl":"https://distribution.github.io/distribution/","retrievedAt":"2026-09-10T21:11:49.107Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://goharbor.io","retrievedAt":"2026-10-13T15:18:28.787Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | - | yes |
| release.cadence_days | 55 | 3 |
| release.history | `[{"url":"https://github.com/distribution/distribution/releases/tag/v3.1.2","date":"2026-09-24T12:21:27Z","type":"stable","version":"v3.1.2"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.1.1","date":"2026-05-01T15:51:50Z","type":"stable","version":"v3.1.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.1.0","date":"2026-04-06T17:09:31Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0","date":"2025-04-03T06:25:36Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0-rc.4","date":"2025-03-22T14:59:29Z","type":"prerelease","version":"v3.0.0-rc.4"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0-rc.3","date":"2025-02-11T16:21:07Z","type":"prerelease","version":"v3.0.0-rc.3"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0-rc.2","date":"2024-12-18T15:23:19Z","type":"prerelease","version":"v3.0.0-rc.2"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0-rc.1","date":"2024-11-07T21:04:41Z","type":"prerelease","version":"v3.0.0-rc.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0-beta.1","date":"2024-07-10T13:22:40Z","type":"prerelease","version":"v3.0.0-beta.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v3.0.0-alpha.1","date":"2023-12-19T16:03:36Z","type":"prerelease","version":"v3.0.0-alpha.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.3","date":"2023-10-02T18:23:54Z","type":"stable","version":"v2.8.3"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.2","date":"2023-05-11T10:47:43Z","type":"stable","version":"v2.8.2"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.2-beta.2","date":"2023-05-09T23:32:56Z","type":"prerelease","version":"v2.8.2-beta.2"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.2-beta.1","date":"2023-05-09T22:42:12Z","type":"prerelease","version":"v2.8.2-beta.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.1","date":"2022-03-08T18:19:10Z","type":"stable","version":"v2.8.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.0","date":"2022-02-07T15:53:07Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.8.0-beta.1","date":"2022-01-21T16:49:13Z","type":"prerelease","version":"v2.8.0-beta.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.7.1","date":"2019-01-17T23:22:32Z","type":"stable","version":"v2.7.1"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.7.0","date":"2018-12-04T00:20:01Z","type":"stable","version":"v2.7.0"},{"url":"https://github.com/distribution/distribution/releases/tag/v2.7.0-rc.0","date":"2018-09-28T23:23:36Z","type":"prerelease","version":"v2.7.0-rc.0"}]` | `[{"url":"https://github.com/goharbor/harbor/releases/tag/v2.14.6-rc1","date":"2026-10-13T05:53:24Z","type":"prerelease","version":"v2.14.6-rc1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.4","date":"2026-10-09T03:28:27Z","type":"stable","version":"v2.15.4"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.4-rc1","date":"2026-10-08T12:46:11Z","type":"prerelease","version":"v2.15.4-rc1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.3","date":"2026-10-06T13:11:19Z","type":"stable","version":"v2.15.3"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.14.5","date":"2026-10-06T15:47:31Z","type":"stable","version":"v2.14.5"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.13.6","date":"2026-10-06T15:48:37Z","type":"stable","version":"v2.13.6"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.3-rc2","date":"2026-09-24T02:31:00Z","type":"prerelease","version":"v2.15.3-rc2"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.3-rc1","date":"2026-09-11T02:50:26Z","type":"prerelease","version":"v2.15.3-rc1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.2","date":"2026-07-02T10:04:51Z","type":"stable","version":"v2.15.2"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.2-rc3","date":"2026-07-02T03:31:08Z","type":"prerelease","version":"v2.15.2-rc3"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.2-rc2","date":"2026-06-27T08:03:52Z","type":"prerelease","version":"v2.15.2-rc2"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.2-rc1","date":"2026-06-17T07:35:43Z","type":"prerelease","version":"v2.15.2-rc1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.14.4","date":"2026-05-11T04:08:08Z","type":"stable","version":"v2.14.4"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.14.4-rc1","date":"2026-05-10T03:47:44Z","type":"prerelease","version":"v2.14.4-rc1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.1","date":"2026-05-06T08:48:20Z","type":"stable","version":"v2.15.1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.1-rc2","date":"2026-05-06T08:24:03Z","type":"prerelease","version":"v2.15.1-rc2"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.1-rc1","date":"2026-04-29T08:21:43Z","type":"prerelease","version":"v2.15.1-rc1"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.0","date":"2026-03-20T04:36:02Z","type":"stable","version":"v2.15.0"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.0-rc4","date":"2026-03-19T08:37:39Z","type":"prerelease","version":"v2.15.0-rc4"},{"url":"https://github.com/goharbor/harbor/releases/tag/v2.15.0-rc3","date":"2026-03-17T06:27:45Z","type":"prerelease","version":"v2.15.0-rc3"}]` |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.scorecard | 7.6 | 7.5 |
| security.vulnerabilities | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fdistribution%2Fdistribution%2Fv3&per_page=100","last_12m":3,"max_severity":"HIGH"}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fgoharbor%2Fharbor%2Fsrc&per_page=100","last_12m":0,"max_severity":"HIGH"}` |

## Capabilities (Container Registries)

| Capability | CNCF Distribution | Harbor |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Self-hosted only | Self-hosted only |
| **Standards** |  |  |
| OCI Distribution Spec compliant | ✓ | ✓ |
| **Scope** |  |  |
| Artifact types | Container images only | Images + Helm/OCI artifacts |
| **Security** |  |  |
| Built-in vulnerability scanning | ✓ | ✓ |
| Image signing (Cosign/Notation) | ✓ | ✓ |
| SBOM generation / storage | - | - |
| **Access** |  |  |
| Fine-grained RBAC / robot accounts | ✓ | ✓ |
| Private repositories | ✓ | ✓ |
| **Distribution** |  |  |
| Geo-replication / mirroring | - | ✓ |
| Pull-through cache / proxy | - | ✓ |
| **Integration** |  |  |
| Native cloud IAM integration | - | - |
| **Pricing** |  |  |
| Pull-rate limits | - | - |
| **UX** |  |  |
| Web UI / console | ✓ | ✓ |
| **Ops** |  |  |
| High-availability deployment | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-20T18:03:33.829Z. "-" = undocumented, not absent.*