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Firebase Authentication

Application and Data, Application Utilities, and User Management and Authentication

20 Alternatives To Firebase Authentication

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Amazon Cognito

Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.
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Auth0

Auth0 is a program for people to get authentication and authorization services for their own business use.

Authpack

Complete user auth system installed with 8 lines of code.

Azure Multi-Factor Authentication

Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.

JSON Web Token

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

Okta

Enterprise-grade identity management for all your apps, users & devices

OmniAuth

OmniAuth is a flexible authentication system utilizing Rack middleware.

RSA SecurID

RSA SecurID is a multi-factor authentication and identity assurance solution.

Spring Security

The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security…
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Stormpath

Powerful authentication, authorization, and user management for any application

WSO2 Identity Server

WSO2 Identity Server efficiently undertakes the complex task of identity management across enterprise applications, services and APIs.
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sso

Utilities, Application Utilities, and User Management and Authentication