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authentik – identity provider that emphasizes flexibility and versatility

Last Updated on February 26, 2026

authentik is an Identity Provider that emphasizes flexibility and versatility.

It can be seamlessly integrated into existing environments to support new protocols. authentik is also a solution for implementing sign-up, recovery, and other similar features in your application, saving you the hassle of dealing with them.

Using a self-hosted, open source identity provider means prioritizing security and taking control of your most sensitive data. With authentik, you no longer need to continually place your trust in a third-party service.

This is free and open source software.

Key Features

  • Supports the major providers, such as OAuth2, SAML, LDAP, and SCIM, so you can pick the protocol that you need for each application.
  • Simple user interface.
  • Native installation methods for K8s,
  • Support for applications which don’t support SSO through a modified version of oauth2_proxy, which is managed by authentik.
  • Advanced policy engine.
  • Perform custom logic in policies via Python,
  • MFA Support for TOTP and WebAuthn,

Website: goauthentik.io
Support: GitHub Code Repository
Developer: Jens Langhammer
License: MIT Expat License

authentik landing page
Click image for full size

authentik is written in Python and TypeScript. Learn Python with our recommended free books and free tutorials. Learn TypeScript with our recommended free books and free tutorials.


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