Open Source Alternatives To Auth0

Auth0 is a platform that enables you to add secure, seamless authentication and authorization to your applications and APIs. Take a look at open source alternatives to Auth0 below.
Authelia
Auth & SSO

Authelia

The Single Sign-On Multi-Factor portal for web apps

License

Apache 2.0

Language

Go

Stargazers

18934

Forks

1001

Open Issues

109

Authentik
Auth & SSO

Authentik

The authentication glue you need.

License

MIT

Language

Python

Stargazers

5912

Forks

463

Open Issues

574

Cerbos
Auth & SSO

Cerbos

Cerbos is the open core, language-agnostic, scalable authorization solution that makes user permissions and authorization simple to implement and manage by writing context-aware access control policies for your application resources.

License

Apache 2.0

Language

Java

Stargazers

2296

Forks

105

Open Issues

45

Fief
Auth & SSO

Fief

Users and authentication management SaaS

License

Elv2

Language

Python

Stargazers

402

Forks

38

Open Issues

8

Hanko
Auth & SSO

Hanko

Auth and user management for the passkey era

License

AGPL V3

Language

Go

Stargazers

5288

Forks

805

Open Issues

64

KeyCloak
Auth & SSO

KeyCloak

Open Source Identity and Access Management For Modern Applications and Services

License

Apache 2.0

Language

Java

Stargazers

19185

Forks

6081

Open Issues

2020

ORY
Auth & SSO

ORY

OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure. SDKs for any language. Works with Hardware Security Modules. Compatible with MITREid.

License

Apache 2.0

Language

Go

Stargazers

14902

Forks

1443

Open Issues

100

Oso
Developer Tools

Oso

A Ruby OAuth microservice for SAML based authentication

License

BSL

Language

Ruby

Stargazers

156

Forks

15

Open Issues

38

Supertokens
Auth & SSO

Supertokens

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

License

Apache 2.0

Language

Java

Stargazers

11308

Forks

426

Open Issues

121

Zitadel
Auth & SSO

Zitadel

ZITADEL - Identity infrastructure, simplified for you.

License

Apache 2.0

Language

Go

Stargazers

6394

Forks

376

Open Issues

553