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Hanko

Passkey-first authentication for modern applications

Identity & SSO ★ 9k stars Medium setup AGPL-3.0

Hanko is an open-source authentication solution built around passkeys and passwordless login. It can be self-hosted to provide modern, phishing-resistant authentication to web and mobile applications.

Official siteSource code

Key features

  • Passkey-first login
  • Passwordless flows
  • Embeddable web component
  • Self-hosted API

Strengths

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Mature project with 9k GitHub stars
  • Written in Go

Is Hanko secure?

OSV.dev has no published security advisories for Hanko's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Hanko replaces

Self-hosted Auth0 alternativesSelf-hosted Clerk alternatives

Health badge

Maintain Hanko? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 92 · excellent

Markdown
[![SelfHostIndex health score for Hanko](https://selfhostindex.com/badge/hanko-passkey.svg)](https://selfhostindex.com/app/hanko-passkey/)
HTML
<a href="https://selfhostindex.com/app/hanko-passkey/"><img src="https://selfhostindex.com/badge/hanko-passkey.svg" alt="SelfHostIndex health score for Hanko"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/hanko-passkey.svg
   :alt: SelfHostIndex health score for Hanko
   :target: https://selfhostindex.com/app/hanko-passkey/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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