# GitHub Container Registry vs Kraken

**Leader by Vioscale score:** Kraken

| Attribute | GitHub Container Registry | Kraken |
|---|---|---|
| **Vioscale score** | 32.4 (38% (low)) | 52.6 (76% (high)) |
| activity.commits_last_30d | - | 31 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 6,737 |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"hybrid":true,"self_hosted":true}` |
| description.long | A workflow automation platform that builds, tests, and deploys code with hosted runners supporting multiple operating systems and languages. Includes built-in secret management, live logging, matrix builds across multiple configurations, and integration with external tools and services. | Open-source P2P-powered Docker registry designed for scalable and highly available image management, replication, and distribution in hybrid cloud environments with pluggable storage backends. |
| features.capabilities | `{"web_ui":true}` | `{"hosting":"self","private_repos":true,"artifact_types":"images","high_availability":true,"replication_mirroring":true}` |
| integrations.count | 2 | 5 |
| integrations.list | `[{"name":"Jira"},{"name":"npm"}]` | `[{"name":"S3"},{"name":"GCS"},{"name":"ECR"},{"name":"HDFS"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | - | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-13T18:18:11.574Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | - | free |
| pricing.transparent | - | yes |
| release.cadence_days | - | 14 |
| release.history | - | `[{"url":"https://github.com/uber/kraken/releases/tag/v0.1.27","date":"2026-07-06T09:38:25Z","type":"stable","version":"v0.1.27"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.26","date":"2026-06-29T12:12:10Z","type":"stable","version":"v0.1.26"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.25","date":"2026-06-22T14:26:47Z","type":"stable","version":"v0.1.25"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.24","date":"2026-06-10T11:12:08Z","type":"stable","version":"v0.1.24"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.23","date":"2026-05-26T11:25:18Z","type":"stable","version":"v0.1.23"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.22","date":"2026-04-14T10:23:31Z","type":"stable","version":"v0.1.22"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.21","date":"2026-03-23T15:50:36Z","type":"stable","version":"v0.1.21"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.20","date":"2026-03-02T12:26:02Z","type":"stable","version":"v0.1.20"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.19","date":"2026-01-26T11:46:01Z","type":"stable","version":"v0.1.19"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.18","date":"2026-01-05T09:55:25Z","type":"stable","version":"v0.1.18"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.17","date":"2025-12-17T10:09:17Z","type":"stable","version":"v0.1.17"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.16","date":"2025-12-08T16:40:34Z","type":"stable","version":"v0.1.16"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.15","date":"2025-11-28T10:16:26Z","type":"stable","version":"v0.1.15"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.14","date":"2025-11-18T12:34:04Z","type":"stable","version":"v0.1.14"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.13","date":"2025-11-10T13:30:12Z","type":"stable","version":"v0.1.13"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.12","date":"2025-10-20T13:49:55Z","type":"stable","version":"v0.1.12"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.11","date":"2025-10-10T12:12:04Z","type":"stable","version":"v0.1.11"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.10","date":"2025-09-23T11:20:24Z","type":"stable","version":"v0.1.10"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.9","date":"2025-09-09T10:56:10Z","type":"stable","version":"v0.1.9"},{"url":"https://github.com/uber/kraken/releases/tag/v0.1.8","date":"2025-08-25T11:47:44Z","type":"stable","version":"v0.1.8"}]` |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.scorecard | - | 4.6 |
| security.vulnerabilities | - | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fuber%2Fkraken&per_page=100","last_12m":0,"max_severity":"HIGH"}` |

## Capabilities (Container Registries)

| Capability | GitHub Container Registry | Kraken |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | - | Self-hosted only |
| **Standards** |  |  |
| OCI Distribution Spec compliant | - | - |
| **Scope** |  |  |
| Artifact types | - | Container images only |
| **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: Vioscale. Generated 2026-09-01T16:42:31.339Z. "-" = undocumented, not absent.*