Open Source Auth0 Alternatives

    The best open source alternative to Auth0 is Keycloak, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Auth0 and 12 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Auth0 are Ory (Free, Open Source), Gluu Server (Freemium, Open Source), IdentityServer (Freemium, Open Source) and Authelia (Free, Open Source).

    This page was last updated Sep 14, 2021

    1. Open Source Identity and Access Management for modern Applications and Services.
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    2. Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Cloud Platform and get started in minutes.
      No screenshots yet
      Ory vs Auth0 opinions
      pros, cons and recent comments
      vinckr It is a truly free and open alternative and is built with a modern architecture in mind.
      Positive comment 2 months ago

      0


      • FreemiumOpen Source
      • Online
      • Self-Hosted
      The Gluu Server is a container distribution of free open source software (FOSS) for identity and access management (IAM).
      No screenshots yet
      • FreemiumOpen Source
      • Self-Hosted
      • .NET Framework
      An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core. - Single sign-on for for applications - Supports applications developed for the web, mobile, desktops, devices, and more.
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    3. uthelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on (SSO) for your applications via a web portal.
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      • Free PersonalOpen Source
      • Linux
      • Self-Hosted
      • Kubernetes
      • Docker
      Pomerium is an identity-aware proxy that enables secure access to internal applications. Pomerium provides a standardized interface to add access control to applications regardless of whether the application itself has authorization or authentication baked-in.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Self-Hosted
      openNAC is an opensource Network Access Control for corporate LAN / WAN environments. It enables authentication, authorization and audit policy-based all access to network.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Self-Hosted
      FreeRADIUS is responsible for authenticating one third of all users on the Internet. Welcome to the FreeRADIUS project, the open source implementation of RADIUS, an IETF protocol for AAA (Authorisation, Authentication, and Accounting).
      No screenshots yet
      FreeRadius vs Auth0 opinions
      pros, cons and recent comments
      It's a software project, not a service
      Negative comment over 3 years ago

      -3
      • FreeOpen Source
      • Online
      • Ruby
      OmniAuth is a flexible authentication system utilizing Rack middleware.
      No screenshots yet
    4. HybridAuth A PHP Library for authentication through Facebook, Twitter, Google, Yahoo, MySpace, LinkedIn, AOL, Vimeo, FourSquare, OpenID and other Identity providers
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    Showing 10 of 12 alternatives