Comparison

Kraken vs Zot

On the evidence we track, Zot leads this comparison with a composite score of 54/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Kraken48
★Zot54
Score
vioscaleAI score
Kraken48 / 100medium · 72%
Zot54 / 100high · 75%
Pricing
Free tier
Kraken✓
Zot✓
Model
Price level
Krakenfree
Zotfree
Transparent
Kraken✓
Zot✓
Integrations
Count
Kraken5
Zot1
Reliability
Status page
Kraken✓
Zot–
Adoption
Dependent repos
Kraken1
Zot0
Github stars
Kraken6,743
Activity
Commits last 30d
Kraken29
Zot67
Release
Cadence days
Kraken14
Zot31
History
License
Language
Primary
KrakenGo
ZotGo
Content
Faq

Capabilities

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

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

What each one is

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

Kraken

A peer-to-peer based Docker registry system designed for high-throughput distribution of container images across large clusters and hybrid cloud environments with built-in support for multi-cluster replication.

Independently observed

Zot

Leader

A lightweight, self-contained registry for managing container images that fully implements OCI standards. It runs as a single binary without elevated privileges and includes built-in security scanning, access control, garbage collection, and image deduplication.

Independently observed

Pricing

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

Kraken

Open source
as of verify ↗

Zot

Leader
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
macOS
Kraken✗
Zot✓
Linux
Kraken✗
Zot✓
CLI
Kraken✓
Zot✓
Deployment
Cloud / SaaS
Kraken✓
Zot✓
Self-hosted
Kraken✓
Zot✓
Hybrid
Kraken✓
Zot✗

Integrations

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

Kraken

5 total
  • S3
  • GCS
  • ECR
  • HDFS
  • Harbor
Independently observed

Zot

Leader
1 total
  • Stacker
Independently observed
Still deciding?

Kraken or Zot: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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