Comparison

Harbor vs Kraken

On the evidence we track, Harbor leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Harbor63
Kraken53
Score
Vioscale score
Harbor63 / 100high · 77%updating
Kraken53 / 100high · 76%updating
Pricing
Free tier
Harbor
Kraken
Model
Price level
Harborfree
Krakenfree
Transparent
Harbor
Kraken
Integrations
Count
Harbor4
Kraken5
Reliability
Status page
Harbor
Kraken
Adoption
Dependent repos
Harbor31
Kraken1
Github stars
Harbor29,236
Kraken6,737
Activity
Commits last 30d
Harbor62
Kraken31
Release
Cadence days
Harbor2
Kraken14
History
Harbor20 items
Kraken20 items
License
Spdx
Language
Primary
HarborGo
KrakenGo

Capabilities

Feature-by-feature on the axes that matter for container registries. “-” means undocumented, not absent.

Deployment
Hosting
HarborSelf-hosted only
KrakenSelf-hosted only
Standards
OCI Distribution Spec compliant
Harbor-
Kraken-
Scope
Artifact types
Harbor-
KrakenContainer images only
Security
Built-in vulnerability scanning
Harbor
Kraken-
Image signing (Cosign/Notation)
Harbor
Kraken-
SBOM generation / storage
Harbor-
Kraken-
Access
Fine-grained RBAC / robot accounts
Harbor-
Kraken-
Private repositories
Harbor
Kraken
Distribution
Geo-replication / mirroring
Harbor-
Kraken
Pull-through cache / proxy
Harbor-
Kraken-
Integration
Native cloud IAM integration
Harbor-
Kraken-
Pricing
Pull-rate limits
Harbor-
Kraken-
UX
Web UI / console
Harbor
Kraken-
Ops
High-availability deployment
Harbor-
Kraken

What each one is

The product in its own terms, so the numbers below have context.

Harbor

Leader

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.

Independently observed

Kraken

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Harbor

Leader
Open source
as of verify ↗

Kraken

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Harbor
Kraken
CLI
Harbor
Kraken
Deployment
Self-hosted
Harbor
Kraken
Hybrid
Harbor
Kraken

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Harbor

Leader
4 total
  • Trivy
  • Cosign
  • Redis
  • Valkey
Independently observed

Kraken

4 total
  • S3
  • GCS
  • ECR
  • HDFS
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

Harbor vs Kraken: an evidence-based comparison · Vioscale