Authentik Has a Free Identity Provider — Self-Hosted SSO with Beautiful Login Flows

Authentik is a flexible, self-hosted identity provider with highly customizable authentication flows.

What You Get for Free

• SSO — single sign-on for all your applications
• OAuth2/OIDC — standard protocol support
• SAML — enterprise identity federation
• LDAP — LDAP provider for legacy apps
• SCIM — automatic user provisioning
• MFA — TOTP, WebAuthn, duo, SMS
• Flow designer — visual authentication flow builder
• Enrollment — self-service registration with approval workflows
• Admin UI — beautiful management interface
• Outpost system — deploy proxies for app-level auth
• Self-hosted — free, unlimited users, unlimited apps

Quick Start

# Docker Compose
wget https://goauthentik.io/docker-compose.yml
docker compose up -d

# Access at http://localhost:9000/if/flow/initial-setup/
# Create flows, connect apps, add users

Why Self-Hosters Choose It

Keycloak is powerful but complex. Authelia is limited:

• Flow designer — visually build custom login flows
• Beautiful UI — modern, polished login pages
• LDAP outpost — add SSO to legacy LDAP apps
• SCIM — automatic user sync with identity providers
• Simpler than Keycloak — easier initial setup

A homelab enthusiast had 12 self-hosted services with separate logins. They deployed Authentik — single login for everything, 2FA on all services, and the visual flow designer let them create custom enrollment that requires admin approval for new users.

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