Keycloak
Identity & SSOOpen-source identity and access management for modern apps
Replaces Okta, Auth0
20 self-hosted Auth0 alternatives
Auth0 (now part of Okta) is a hosted authentication and authorization platform popular with developers. These open-source apps let you replace Auth0 with software you host and control yourself.
Best self-hosted Auth0 alternatives
authentik
Reverse Proxy & GatewaysOpen-source identity provider with proxy outpost
Replaces Okta, Auth0
Ory Hydra
Identity & SSOCertified OAuth 2.0 and OpenID Connect server
Replaces Okta, Auth0
SuperTokens
Identity & SSOOpen-source user authentication you can self-host
Replaces Auth0, Firebase Auth
ZITADEL
Identity & SSOCloud-native identity infrastructure with multi-tenancy built in
Replaces Auth0, Okta
Logto
Identity & SSODeveloper-friendly authentication and authorization platform
Replaces Auth0, Firebase Auth
Casdoor
Identity & SSOUI-first identity and access management with SSO support
Replaces Auth0, Okta
Ory Kratos
Identity & SSOHeadless identity and user management API server
Replaces Auth0, Firebase Auth
Dex
Identity & SSOOpenID Connect identity provider with pluggable connectors
Replaces Okta, Auth0
Hanko
Identity & SSOPasskey-first authentication for modern applications
Replaces Auth0, Clerk
Pocket ID
Identity & SSOSimple OIDC provider that uses only passkeys
Replaces Auth0, Authelia
node-oidc-provider
Identity & SSOCertified OpenID Connect and OAuth 2.0 provider for Node.js
Replaces Auth0, Okta
Supabase Auth
Identity & SSOSmall JWT-based user authentication API service
Replaces Auth0
SAML Jackson
Identity & SSOSAML and OIDC SSO service bridging enterprise providers
Replaces Auth0, WorkOS
Authorizer
Identity & SSOOpen-source auth solution with a ready-made UI
Replaces Auth0, Firebase Authentication
Authgear
Identity & SSOOpen-source authentication and user management server
Replaces Auth0, Firebase Auth
Rauthy
Identity & SSOLightweight OpenID Connect provider written in Rust
Replaces Keycloak, Auth0
Janssen Project
Identity & SSOCloud-native identity and access management platform
Replaces Okta, Auth0
FusionAuth
Identity & SSOComplete authentication and authorization platform
Replaces Auth0, Okta
Hello Identity Coop
Identity & SSOOpen-source authentication broker for passwordless login
Replaces Auth0, Firebase Auth
No apps match these filters.
Compare Auth0 alternatives
- authentik vs Authgear
- authentik vs Authorizer
- authentik vs Casdoor
- authentik vs Dex
- authentik vs FusionAuth
- authentik vs Janssen Project
- authentik vs Hanko
- authentik vs Hello Identity Coop
- authentik vs SAML Jackson
- authentik vs Keycloak
- authentik vs Logto
- authentik vs node-oidc-provider
- authentik vs Ory Hydra
- authentik vs Ory Kratos
- authentik vs Pocket ID
- authentik vs Rauthy
- authentik vs Supabase Auth
- authentik vs SuperTokens
- authentik vs ZITADEL
- Authgear vs Authorizer
- Authgear vs Casdoor
- Authgear vs Dex
- Authgear vs FusionAuth
- Authgear vs Janssen Project
- Authgear vs Hanko
- Authgear vs Hello Identity Coop
- Authgear vs SAML Jackson
- Authgear vs Keycloak
- Authgear vs Logto
- Authgear vs node-oidc-provider
- Authgear vs Ory Hydra
- Authgear vs Ory Kratos
- Authgear vs Pocket ID
- Authgear vs Rauthy
- Authgear vs Supabase Auth
- Authgear vs SuperTokens
- Authgear vs ZITADEL
- Authorizer vs Casdoor
- Authorizer vs Dex
- Authorizer vs FusionAuth
Switching from Auth0
Moving off Auth0 means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.