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Auth0

2 alternatives — 2 medium

Why people leave Auth0

  • Expensive per-user pricing at scale
  • Complex pricing tiers
  • Vendor lock-in with proprietary auth flows
  • Data stored on Auth0 servers

Comparison

AppDifficultyRAMDockerMobileStatus
Authelia

Open-source authentication and authorization server providing SSO and 2FA for your apps.

medium0.25GB—— Active
Authentik

Identity provider and SSO solution with a modern UI for managing users and access policies.

medium2GB— Active

Detailed Look

Authelia Top Pick

Open-source authentication and authorization server providing SSO and 2FA for your apps.

Pros

  • + Single sign-on for all your apps
  • + Supports TOTP and WebAuthn 2FA
  • + Lightweight Go binary
  • + Works with Traefik and Nginx

Cons

  • - Configuration is YAML-heavy and complex
  • - No built-in user management UI
  • - Requires a reverse proxy
  • - Documentation assumes prior auth knowledge

Authentik

Identity provider and SSO solution with a modern UI for managing users and access policies.

Pros

  • + Beautiful admin UI
  • + LDAP SAML and OIDC support
  • + Built-in user management
  • + Customizable login flows

Cons

  • - Resource heavy for an auth server
  • - Python-based with many dependencies
  • - Complex flow system has learning curve
  • - Enterprise features require paid plan

Can't decide? Compare Authelia, Authentik side by side →