Identity Providers




Popular Identity Brokers / Identity Providers


1. Auth0 (now part of Okta)

  • Easy to set up and very developer-friendly.
  • Supports social logins, enterprise identity providers, and custom databases.
  •  Offers built-in multi-tenancy, rules, hooks, and extensibility.

Free tier available; widely used in startups and enterprises.


2. Okta

  • Enterprise-focused identity platform.
  • Strong integration with SAML, OAuth, OpenID Connect, and SCIM.
  • Supports workforce and customer identity.

Very powerful for large-scale enterprise SSO needs.


 3. Azure Active Directory (Azure AD) / Entra ID

  • Microsoft's identity platform.
  • Ideal for organizations already using Microsoft 365 or Azure.
  • Supports OAuth, OIDC, and SAML.

Common in enterprise environments.

 4. Google Identity Platform

  • Allows federated identity through Google accounts.
  • Can be used directly or as part of Firebase Authentication.

Good for consumer-facing apps with Google users.


5. Firebase Authentication

  • Developer-friendly from Google.
  • Supports email/password, phone, Google, Facebook, GitHub, etc.
  • Not as customizable as others but great for fast development.


 6. FusionAuth

  • Open-source identity management.
  • Easy to self-host.
  • Offers support for social login, SAML, OIDC, and more.


Great alternative to Keycloak with a modern UI.


7. Ping Identity

  • Enterprise identity platform.
  • Offers full suite: SSO, MFA, directory services, etc.
  • Strong integration with legacy systems.


8. OneLogin

  • Cloud-based identity and access management.
  • Supports social and enterprise identity providers.
  • Offers adaptive authentication and MFA.


9. WSO2 Identity Server

  • Open-source and enterprise-ready.
  • Good for companies already using WSO2 middleware.
  • Supports federation, fine-grained policies, and more.


Choosing the Right One Depends On:


| Need                                                |  Best Option                    

Quick setup, social login  =====>  Auth0, Firebase           

Open-source, customizable  ===>  Keycloak, FusionAuth, WSO2

Enterprise SSO & integration ===>  Okta, Azure AD, Ping Identity 

AWS ecosystem   ===========>  Cognito                       

Microsoft stack =============> Azure AD / Entra ID         



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