Auth0 alternatives

The most-starred open source alternative to Auth0 is Keycloak. Other notable options: authentik, Ory Hydra, ZITADEL, SuperTokens. All of them are free to download and most can run on your own server.

Keycloak37.7k

keycloak/keycloak

Open source identity and access management with single sign-on for modern apps and services.

Alternative to: Auth0, Okta

LicenseOpen sourceApache-2.0

CategorySecurity & PrivacySelf-hosted

LanguageJava

Last updatetoday

PlatformsWebDocker

authentik26.2k

goauthentik/authentik

Identity provider and SSO server for authentication and user management.

Alternative to: Okta, Auth0

LicenseOpen source

CategorySecurity & PrivacySelf-hosted

LanguagePython

Last updatetoday

PlatformsWebDocker

Ory Hydra17.6k

ory/hydra

OpenID Certified OAuth 2.1 and OpenID Connect provider server.

Alternative to: Auth0

LicenseOpen sourceApache-2.0

CategorySecurity & PrivacySelf-hosted

LanguageGo

Last update3 months ago

PlatformsDocker

ZITADEL15.5k

zitadel/zitadel

Identity infrastructure for authentication and access management.

Alternative to: Auth0, Okta

LicenseOpen sourceAGPL-3.0

CategorySecurity & PrivacySelf-hosted

LanguageGo

Last update1 days ago

PlatformsLinuxDocker

SuperTokens15.3k

supertokens/supertokens-core

Open-source authentication alternative to Auth0 and Firebase Auth.

Alternative to: Auth0, Firebase Auth

LicenseOpen source

CategorySecurity & PrivacySelf-hosted

LanguageJava

Last updatetoday

PlatformsDocker

Logto14.8k

logto-io/logto

Authentication and authorization infrastructure for SaaS and AI apps, with sign-in, SSO and role-based access.

Alternative to: Auth0

LicenseOpen sourceMPL-2.0

CategorySecurity & PrivacySelf-hosted

LanguageTypeScript

Last updatetoday

PlatformsWebDocker

Casdoor14.8k

casdoor/casdoor

Open-source identity and access management platform with SSO, OAuth and OIDC support, including agent access.

Alternative to: Auth0

LicenseOpen sourceApache-2.0

CategorySecurity & PrivacySelf-hosted

LanguageGo

Last updatetoday

PlatformsWebDocker

Ory Kratos13.9k

ory/kratos

Headless, cloud-native authentication and identity management server

Alternative to: Auth0, Okta

LicenseOpen sourceApache-2.0

CategorySecurity & PrivacySelf-hosted

LanguageGo

Last update3 months ago

PlatformsDocker

Dex11.2k

dexidp/dex

OpenID Connect and OAuth 2.0 identity provider with pluggable connectors.

Alternative to: Auth0

LicenseOpen sourceApache-2.0

CategorySecurity & PrivacySelf-hosted

LanguageGo

Last updatetoday

PlatformsLinuxDocker

Pocket ID10k

pocket-id/pocket-id

User friendly OIDC identity provider that signs you in with passkeys instead of passwords

Alternative to: Okta, Auth0

LicenseOpen sourceBSD-2-Clause

CategorySecurity & PrivacySelf-hosted

LanguageGo

Last updatetoday

PlatformsWebDocker

No tools match these filters.