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Free Auth0 Alternatives

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 25 alternatives to Auth0 and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Auth0 are Okta, Ory, Pomerium and AWS Cognito.

Auth0 alternatives are mainly Identity Management Tools but may also be Reverse Proxy Servers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Auth0.
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Auth0 iconAuth0
  15
  • FreemiumProprietary
  • Online

You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method...

Learn more about Auth0

  1. Open Source Identity and Access Management for modern Applications and Services.

    Screenshot
  2. Okta icon

    Okta

    • FreemiumProprietary
    • Online

    Provide secure identity management and single sign-on to any application, whether in the cloud, on-premises or on a mobile device for your employees, partners and customers with Okta.

    Screenshot
    Most users think Okta is a great alternative to Auth0.


  3. Ory icon

    Ory

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Windows Mobile
    • Android
    • iPhone
    • Chrome OS
    • Windows Phone
    • iPad
    • Self-Hosted
    • Linux Mobile
    • Apple TV
    • Software as a Service (SaaS)

    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.

    A screenshot of the identity management page.
    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 ago
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    1
  4. Pomerium icon

    Pomerium

    • Free PersonalOpen Source
    • Linux
    • Self-Hosted
    • Kubernetes
    • Docker

    Pomerium 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.

    Screenshot
  5. AWS Cognito

    • FreemiumProprietary
    • Online

    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.

    Screenshot


  6. Authelia icon

    Authelia

    • FreeOpen Source
    • Self-Hosted
    • Kubernetes
    • Docker

    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.

    Screenshot
  7. Gluu Server icon

    Gluu Server

    • 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
  8. IdentityServer icon

    IdentityServer

    • FreemiumOpen Source
    • Self-Hosted
    • .NET Framework

    An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core.

    No screenshots yet
  9. Octauthent icon

    Octauthent

    • FreeProprietary
    • Online
    • Software as a Service (SaaS)

    No-code authentication service. Octauthent can help you secure any website with a login form, without a single line of code.

    Screenshot
  10. Frontegg icon

    Frontegg

    • FreeOpen Source
    • Mac
    • Windows
    • Online
    • Software as a Service (SaaS)

    Frontegg is a developer platform that enables product-led-growth through a customer-facing user-management interface embedded seamlessly within any product.

    Screenshot
Showing 10 of 28 alternatives