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:



Azure Active Directory B2C is described as '(Azure AD B2C) is a customer identity access management (CIAM) solution that enables you to sign up and sign in your customers into your apps and APIs' and is a identity management tool in the network & admin category. There are five alternatives to Azure Active Directory B2C for SaaS, Web-based and Amazon Web Services. The best Azure Active Directory B2C alternative is Auth0, which is free. Other great apps like Azure Active Directory B2C are Amazon Cognito, Google Cloud Identity Platform, Passage Identity and Microsoft Entra External ID.
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:



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.

Identity Platform is a customer identity and access management (CIAM) system that can help you add identity and access management functionality to your applications, protect user accounts, and scale with confidence.


Microsoft Entra External ID is a next-generation customer identity and access management (CIAM) solution for managing all external identities. These include customers, citizens, patients, partners, suppliers, and contractors within a single, unified platform.
