Open Source Identity and Access Management for modern Applications and Services.
United States
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Free Auth0 AlternativesIdentity Management Tools and other similar apps like Auth0
The best free alternative to Auth0 is Keycloak, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Auth0 and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Auth0 are Authelia, ZITADEL , AuthKit and Hanko.
Alternatives list
- 91 Keycloak alternatives
38 Authelia alternativesProtect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.
31 ZITADEL alternativesSecure authentication management for your application. Customize as you grow, with easy APIs and programmable workflows. Focus on growing, your login is in good hands.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Application type
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
AuthKit is a Radix-powered open source authentication UI built for effortless customizations. User Management is the backend platform handling email verification, account linking, bot blocking, organization modeling, and more.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Online
- Self-Hosted
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33 Hanko alternativesHanko is a modern open source Authentication & User Management system – built and hosted in the EU. Alternative to Clerk, Auth0, Stytch, Descope.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Self-Hosted
- Software as a Service (SaaS)
Stack is an open-source, self-hostable, and highly customizable authentication and user management system.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Online
47 Kanidm alternativesKanidm is an identity management server, acting as an authority on account information, authentication and authorisation within a technical environment.
FusionAuth is an auth for any app. Get everything you need for secure registration and user management in minutes. Single-tenant, on-prem or private cloud, custom emails with localization, social login, and more.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
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FusionAuth vs Auth0 Comments
- FusionAuth is Freemium and Proprietary
67 Clerk Authentication alternativesClerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
15 Pomerium alternativesPomerium is an identity and context-aware proxy that enables secure access to applications without a client. Pomerium provides a standardized interface to add access control to applications regardless of whether the application itself has authorization or authentication baked-in.
Amazon Cognito lets you add user sign-up/sign-in and access control to your web and mobile apps quickly and easily. Cognito scales to millions of users, and supports sign-in with social identity providers such as FB, Google, and Amazon, and SAML 2.0.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)
- Amazon Web Services
France
EU
Switzerland
Germany
Similar feature set, but on-premise and free.