Auth.js Alternatives

Auth.js is described as 'Runtime agnostic library based on standard Web APIs that integrates deeply with multiple modern JavaScript frameworks to provide an authentication experience that’s simple to get started with, easy to extend, and always private and secure!' and is an app in the security & privacy category. There are more than 10 alternatives to Auth.js for a variety of platforms, including Web-based, SaaS, Self-Hosted, Linux and Mac apps. The best Auth.js alternative is Keycloak, which is both free and Open Source. Other great apps like Auth.js are authentik, Auth0, Clerk Authentication and Amazon Cognito.

Auth.js iconAuth.js
  0
  • Free • Open Source
  • ...

Auth.js is a runtime agnostic library based on standard Web APIs that integrates deeply with multiple modern JavaScript...

More about Auth.js
More about Auth.js
Auth.js alternatives page was last updated Apr 12, 2025
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  1. Keycloak icon

    Keycloak

     23 likes
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    Open Source Identity and Access Management for modern Applications and Services.

    86 Keycloak alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • Self-Hosted
    End result log-in page. Optionally, the feel and look of this page can be customized to your liking.

    Keycloak Features

    1.  Two-factor Authentication
    2.  Single Sign-On
    3.  SAML Single Sign-On
    4.  Multi-Factor Authentication (MFA)
    5.  Federated
    6.  Access Control

    Keycloak VS Auth.js

     

    • Keycloak is the most popular Linux & Self-Hosted alternative to Auth.js.

    • Keycloak is the most popular Open Source & free alternative to Auth.js.

    • Keycloak is Free and Open SourceAuth.js is also Free and Open Source
  2. authentik icon

    authentik

     9 likes
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    authentik is an open-source identity provider focused on flexibility and versatility.

    43 authentik alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Self-Hosted
    • Mac
    • Linux
    • Docker
    • Kubernetes
    • AWS CloudFormation
    authentik screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  Self-hosted
    3.  Access Control
    4.  LDAP support
    5.  Single Sign-On

    authentik VS Auth.js

     

    • authentik is the most popular Mac alternative to Auth.js.

    • authentik is Free and Open SourceAuth.js is also Free and Open Source
    • authentik is Privacy focusedAuth.js is not according to our users
  4. Auth0 icon

    Auth0

     17 likes
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    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:

    78 Auth0 alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Auth0 screenshot 1

    Auth0 Features

    1.  Google Login
    2.  OAUTH
    3.  Single Sign-On
    4.  Facebook Login
    5.  Multi-Factor Authentication (MFA)

    Auth0 VS Auth.js

     

    • Auth0 is the most popular Web-based alternative to Auth.js.

    • Auth0 is Freemium and ProprietaryAuth.js is Free and Open Source
  5. Clerk Authentication icon

    Clerk Authentication

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    Clerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.

    62 Clerk Authentication alternatives

    License model

    • Freemium • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Software as a Service (SaaS)
    Home Page

    Clerk Authentication Features

    1.  React
    2.  User Management
    3.  React Native

    Clerk Authentication VS Auth.js

     

    • Clerk Authentication is the most popular SaaS alternative to Auth.js.

    • Clerk Authentication is Freemium and ProprietaryAuth.js is Free and Open Source
  6. Amazon Cognito icon

    Amazon Cognito

     4 likes
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    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.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Software as a Service (SaaS)
    • Amazon Web Services
    Amazon Cognito screenshot 1

    Amazon Cognito Features

    1.  Single Sign-On
    2.  OAUTH
    3.  Multi-Factor Authentication (MFA)

    Amazon Cognito VS Auth.js

     
  7. AWS Identity and Access Management icon

    AWS Identity and Access Management

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    With AWS Identity and Access Management (IAM), you can specify who or what can access services and resources in AWS, centrally manage fine-grained permissions, and analyze access to refine permissions across AWS.

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Software as a Service (SaaS)
    • Amazon Web Services
    AWS Identity and Access Management screenshot 1

    AWS Identity and Access Management VS Auth.js

     
  9. Okta icon

    Okta

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

    73 Okta alternatives

    License model

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Software as a Service (SaaS)
    Okta screenshot 1

    Top Okta Features

    1.  Time-based One-time Password
    2.  FIDO U2F (2FA) support
    3.  Biometric Authentication
    4.  Passkey Support
    5.  Ad-free
    6.  LDAP support
    7.  Passwordless
    8.  API Management
    9.  Single Sign-On
    10.  Workflow Management
    11.  Multi-Factor Authentication (MFA)
    12.  OAUTH

    Okta VS Auth.js

     

    • Okta is the most popular commercial alternative to Auth.js.

    • Okta is Paid and ProprietaryAuth.js is Free and Open Source
  10. Authorizer (authentication) icon

    Authorizer (authentication)

     5 likes
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    Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway.app | Heroku in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • IN flagIndia

    Platforms

    • Self-Hosted
    Authorizer (authentication) screenshot 1

    Authorizer (authentication) Features

    1.  Two-factor Authentication
    2. Docker icon  Support for Docker
    3.  Golang
    4.  Membership Management
    5.  GraphQL

    Authorizer (authentication) VS Auth.js

     
  11. Tinyauth icon

    Tinyauth

     1 like
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    The simplest way to protect your apps with a login screen.

    License model

    • Free • Open Source

    Country of Origin

    • GR flagGreece
    • European Union flagEU

    Platforms

    • Self-Hosted
    • NGINX
    • Docker
    Tinyauth screenshot 1

    Tinyauth Features

    1.  React
    2. Docker icon  Support for Docker
    3.  Golang

    Tinyauth VS Auth.js

     
  12. Permit.io icon

    Permit.io

     2 likes
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    Permit.io is the permissions infrastructure for the internet. It is a fullstack authorization solution that enables developers to bake in access control into their code in minutes and be ready for future requirements from customers and regulators.

    License model

    • Freemium • Proprietary

    Platforms

    • Python
    • .NET Framework
    • Java
    • Node.JS
    User Management

    Permit.io Features

    1.  Support multi-tenancy
    2.  Permission Management
    3.  Multi-Tenant

    Permit.io VS Auth.js

     
  13. Hiboo SSO icon

    Hiboo SSO

     1 like
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    Single sign-on solution specifically built for modern FOSS hosted services.

    License model

    • Free • Open Source

    Platforms

    • Online

    Hiboo SSO Features

    1.  Single Sign-On

    Hiboo SSO VS Auth.js

     
  14. Octauthent icon

    Octauthent

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

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Octauthent screenshot 1

    Properties

    1.  Security-focused

    Features

    1.  No Coding Required
    2.  Login

    Octauthent VS Auth.js

     
12 of 22 Auth.js alternatives