Alternatives to Authentik
Authentik is an open-source Identity Provider focused on flexibility and versatility. It supports multiple authentication protocols and can serve as a self-hosted alternative to commercial solutions like Okta, Auth0, and Entra ID. Find open source and proprietary alternatives that serve similar purposes.
Self-hosted alternatives to Authentik
Open source projects that can replace Authentik:
Keycloak
Keycloak is a comprehensive open source identity and access management solution that enables organizations to secure modern applications and services with minimal effort. It provides built-in support for authentication, authorization, user management and more.
Key Features
-
Authentication Methods:
- Username/password login
- Social login providers
- Two-factor authentication
- Single sign-on (SSO)
- Identity brokering
- LDAP/Active Directory integration
- Kerberos support
-
User Management:
- Self-service registration
- Password policies
- User federation
- Group management
- Role-based access control
- User attribute management
-
Security Features:
- Fine-grained authorization
- Session management
- Brute force protection
- Account security features
- Token-based authentication
- TLS support
-
Integration Capabilities:
- OpenID Connect support
- SAML 2.0 support
- OAuth 2.0 flows
- REST APIs
- Multiple client adapters
- Custom extensions
Who Should Use Keycloak
Keycloak is ideal for:
- Organizations needing centralized authentication
- Teams building modern applications
- Enterprises requiring SSO capabilities
- Projects needing social login integration
- Deployments requiring strong security
- Multi-tenant environments
Installation Requirements
- Java Runtime Environment
- Database (PostgreSQL recommended)
- Reverse proxy (optional)
- Docker support (optional)
- Sufficient memory (min 512MB RAM)
Authelia
Authelia is a comprehensive authentication and authorization server that provides single sign-on (SSO) and two-factor authentication for web applications. It integrates with reverse proxies to secure access to your services through a modern web portal.
Key Features
-
Authentication Methods:
- Username/password authentication
- Two-factor authentication (2FA)
- WebAuthn/FIDO2 support
- Time-based One-Time Passwords (TOTP)
- Mobile push notifications via Duo
- Passwordless authentication with Passkeys
-
Access Control:
- Fine-grained access rules
- Domain-based policies
- User/group based restrictions
- Network-level controls
- One-factor vs two-factor policy options
-
Integration Capabilities:
- OpenID Connect 1.0 provider
- OAuth 2.0 support
- Reverse proxy compatibility
- LDAP integration
- Multiple storage backends
- REST API access
-
Security Features:
- Brute force protection
- Password reset with email verification
- Session management
- Secure cookie handling
- TLS support
- Security headers
Who Should Use Authelia
Authelia is ideal for:
- Organizations requiring self-hosted authentication
- Teams needing SSO capabilities
- Environments requiring 2FA/MFA
- Security-conscious deployments
- Multi-service infrastructures
- Privacy-focused implementations
Installation Requirements
- Reverse proxy (nginx, Traefik, etc.)
- Storage backend (SQL database)
- SMTP server for notifications
- Redis (optional, for high availability)
- Docker (recommended)
More auth projects
Discover other open source projects in the auth category:
Showing 1-5 of 5 projects in auth