Authentik
goauthentik.io ↗Open sourceSelf-hostable
Self-hosted identity provider with single sign-on, MFA and flows for OAuth 2.0, SAML, LDAP and proxy authentication.
CategoryIdentity & Access Management
PricingFree, open source+ paid cloud / support
Self-hostableYes
Repositorygoauthentik/authentik
LanguagePython
Last activityOct 2026Active
Repository
From GitHub · updated Oct 25
Stars26k
Forks2.1k
Open issues1.2k
Last pushOct 2026
Alternatives to Authentik
Open source alternatives
Keycloak★ 38k
Identity and access management with single sign-on, user federation and support for OIDC, OAuth 2.0 and SAML.
Open source
Authelia★ 29k
Authentication and authorization server that adds single sign-on and two-factor authentication in front of web apps through a reverse proxy.
Open source
Zitadel★ 15k
Identity infrastructure with multi-tenancy, single sign-on, passkeys and audit trail, self-hosted or as a cloud service.
Open source
Casdoor★ 15k
Self-hosted single sign-on and identity provider for OAuth 2.0, OIDC, SAML, CAS and LDAP.
Open source
Ory Kratos★ 14k
Headless identity and user management API for login, registration, MFA and account recovery.
Open source
Dex★ 11k
OpenID Connect identity provider that connects to LDAP, SAML and other identity sources, used widely with Kubernetes.
Open source