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Authentik

Open-source · self-hostable · replaces 1 SaaS tool on os-alt

goauthentik/authentik · alive · ★ 21.5k · last commit today · 1037 open issues

License: MIT

Good fit for Modern apps that want OIDC + SAML with a clean web UI and a less heavyweight runtime than Keycloak.

Weak at Smaller community than Keycloak; fewer pre-built SAML integrations to enterprise IDPs.

In a terminal? npx -y github:SolvoHQ/os-alt-cli auth0 prints the Auth0 comparison table including Authentik. how the CLI works →

Replaces these SaaS

  • Auth0 · Identity / SSO / authentication-as-a-service

    Auth0 export gives you user JSON + bcrypt hashes. Authentik's `ak users_import` (admin CLI) accepts a JSON manifest; bcrypt hashes are accepted directly. Application config (clients, audiences) is reauthored in the Authentik admin UI as Providers + Applications.

README badges for the SaaS this replaces

Maintainers and forks: drop a badge in your README to link readers from the SaaS-comparison page back to your repo.

FAQ

Is Authentik actively maintained?

Yes — last commit today. The repository is alive (commit activity within the past 90 days).

What does Authentik cost to self-host?

Authentik is free and open source under MIT. Typical self-host VPS cost: $10 VPS — Python + Postgres + Redis stack.

Which SaaS does Authentik replace?

Authentik is listed as an open-source self-host alternative to: Auth0.