Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Kellnr

Free#46 of 63 in Artifact Repository Software

Kellnr: A focused, open-source Cargo registry for teams managing private Rust packages. Ranked #46 of 63 in Artifact Repository Software by our editors (4.6/10); pricing: Free plan; best for rust teams needing private crate hosting.

4.6/10Editor score
Visit Kellnr
Kellnr4.6 Visit Kellnr

At a glance

  • Editor score
    4.6 / 10
  • Pricing
    Free plan
  • Best for
    Rust teams needing private crate hosting
  • Free plan
    Yes
  • Paid from
    None
  • Self-hosted deployment
    Yes
  • Founded
    2021
  • Facts checked
    20 Sep 2026
Kellnr screenshot

  • Where it wins

    • Cargo-compatible publishing with web-based crate and metadata management
    • Fine-grained control for users, groups, roles, tokens, and ownership
    • Crates.io proxying, Rustdoc generation, APIs, webhooks, and flexible storage

  • Where it doesn't

    • Focused on Rust crates rather than a broad range of artifact formats
    • Self-hosted deployment puts infrastructure operation on the organization
    • Documentation and access features may exceed simpler registry needs

Our verdict on Kellnr

Kellnr is an open-source, self-hosted private registry for proprietary Rust crates. It is designed for organizations and individuals that want to publish and manage packages through Cargo, while also providing a web interface for crate, version, and metadata management. Access can be organized through users, groups, roles, tokens, and crate ownership, with optional authentication for crate downloads. Rust teams that need control over private package distribution are the clearest fit.

The published product details show a free, open-source model rather than a tiered commercial plan structure. Kellnr can run with a local filesystem, S3, or Google Cloud Storage backend, giving teams options for how packages are stored. Its ecosystem fit centers on Cargo and crates.io, with additional compatibility across Docker, Kubernetes, Helm, PostgreSQL, SQLite, and OpenID Connect. A REST API and webhooks support integration with surrounding development and delivery workflows.

Its standout strength is the combination of private crate hosting and Rust-specific documentation support. Kellnr can automatically generate Rustdoc and accept custom documentation uploads, while its crates.io proxy and cache can support access to upstream crates. That focused scope is also the main boundary: teams seeking a general-purpose repository for many package ecosystems may prefer a broader artifact platform. Choose Kellnr when self-hosted Rust package management, fine-grained access control, and Cargo compatibility matter most; look elsewhere when the primary requirement is broad artifact coverage or a managed service.

Kellnr pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on kellnr.io

Kellnr fact sheet

Free planYes
Paid fromNone
Included storageNot verified
Supported formatsNot verified
Container artifactsNot verified
Upstream proxyingYes
Access controlFine-grained
Retention rulesNot verified
Self-hosted deploymentYes
DeploymentCloud, Self-hosted
PlatformsWeb, Windows, macOS, Linux
SupportCommunity, Docs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations10 integrations: Cargo, crates.io, Docker, Kubernetes, Helm, S3 …
PricingFree plan
Websitekellnr.io
Facts checked20 Sep 2026

Kellnr integrations

Kellnr lists 10 integrations on its own site.

  • Cargo
  • crates.io
  • Docker
  • Kubernetes
  • Helm
  • S3
  • Google Cloud Storage
  • PostgreSQL
  • SQLite
  • OpenID Connect

Alternatives to Kellnr

See all Kellnr alternatives →

Used Kellnr? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Kellnr for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Your rating

0 characters · at least 80, up to 3,000

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Featured on iTechGuides — Kellnr 4.6/10

Kellnr is listed in our Artifact Repository Software directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/kellnr/"><img src="https://www.itechguides.com/best/badge/kellnr.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Last updated · How we research and update