Comparison

Kraken vs Zot

No clear leader: Zot (53.4) and Kraken (52.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Kraken53
Zot53
Score
Vioscale score
Kraken53 / 100high · 76%
Zot53 / 100high · 78%
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
Kraken6,737
Activity
Commits last 30d
Kraken31
Zot54
Release
Cadence days
Kraken14
Zot29
History
License
Language
Primary
KrakenGo
ZotGo

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

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

Zot

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 sourceFree tier
as of verify ↗

Zot

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

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

Zot

1 total
  • Stacker
Independently observed

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