Keycloak AlternativesOnly apps categorised as Identity Management Tools

The best Identity Management alternative to Keycloak is authentik, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Keycloak and many of them are Identity Management Tools so hopefully you can find a suitable replacement. Other interesting Identity Management Tool alternatives to Keycloak are VoidAuth, ZITADEL , Authelia and Hanko.

filter to find the best alternatives

Keycloak alternatives are mainly Identity Management Tools, but if you're looking for Linux Distros or Process Management Tools you can filter on that. Other popular filters include Open Source and Self-Hosted + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Keycloak.
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Alternatives list

  2. VoidAuth icon

    VoidAuth

     5 likes

    Open-source authentication and user management platform offering passkey-based SSO, centralized login, user invitations, self-registration, and email integration for self-hosted deployments. Emphasizes privacy, admin and user ease, local data control, and strong security.

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • Docker
    VoidAuth screenshot 1
     
  4. ZITADEL icon

    ZITADEL

     20 likes

    Secure authentication management for your application. Customize as you grow, with easy APIs and programmable workflows. Focus on growing, your login is in good hands.

    30 ZITADEL alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    ZITADEL screenshot 1
     
  5. Authelia icon

    Authelia

     13 likes

    Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.

    20 Authelia alternatives

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • Kubernetes
    • Docker
    Authelia screenshot 1
     
  6. Hanko icon

    Hanko

     12 likes

    Hanko is a modern open source Authentication & User Management system – built and hosted in the EU. Alternative to Clerk, Auth0, Stytch, Descope.

    31 Hanko alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    Hanko screenshot 1
     
    |
    1
    Comments about Hanko as an Alternative to Keycloak
    SebL
    Positive
    0

    Open source, simple component-based integrations, and passkeys - what's not to like?

    Review by a new / low-activity user.
    Hanko icon
    Hanko icon
    • Hanko is Freemium and Open SourceKeycloak is Free and Open Source
    • Hanko is Privacy focusedKeycloak is not according to our users
  7. Stack Auth icon

    Stack Auth

     11 likes

    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)
    Stack Auth screenshot 1
     
    |
    1
    Comments about Stack Auth as an Alternative to Keycloak
    Guest
    Negative
    0

    Stack Auth is not an OpenID or Oauth provider. It is a web backend for a set of libraries for authentication, but it does not do OpenID or Oauth

    Review by a new / low-activity user.
    Stack Auth icon
    Stack Auth icon
    • Stack Auth is Freemium and Open SourceKeycloak is Free and Open Source
    • Stack Auth is Privacy focusedKeycloak is not according to our users
  9. Kanidm icon

    Kanidm

     1 like

    Kanidm is an identity management server, acting as an authority on account information, authentication and authorisation within a technical environment.

    Cost / License

    Application type

    Platforms

    • Docker
    • Self-Hosted
    Kanidm screenshot 1
     
  10. Auth0 icon

    Auth0

     17 likes

    You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:

    82 Auth0 alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    Auth0 screenshot 1
     
  11. LemonLDAP::NG icon

    LemonLDAP::NG

     16 likes

    LemonlLDAP::NG is a modular Web-SSO based on Apache::Session modules. It simplifies the build of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting.

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Self-Hosted
    LemonLDAP::NG screenshot 1
     
  13. Okta icon

    Okta

     6 likes

    Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.

    77 Okta alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Okta screenshot 1
     
  14. Amazon Cognito icon

    Amazon Cognito

     4 likes

    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
    Amazon Cognito screenshot 1
     
12 of 39 Keycloak alternatives