Amazon Cognito is described as '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' and is a identity management tool in the network & admin category. There are more than 50 alternatives to Amazon Cognito for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Windows apps. The best Amazon Cognito alternative is VoidAuth, which is both free and Open Source. Other great apps like Amazon Cognito are Keycloak, authentik, Authelia and ZITADEL .
Open-source authentication and user management platform offering passkey-based SSO, centralized login, user invitations, self-registration, and email integration for self-hosted deployments. Emphasizes privacy, admin and user ease, local data control, and strong security.
Open Source Identity and Access Management for modern Applications and Services.
authentik is an open-source identity provider focused on flexibility and versatility.
Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.
Secure authentication management for your application. Customize as you grow, with easy APIs and programmable workflows. Focus on growing, your login is in good hands.
AuthKit is a Radix-powered open source authentication UI built for effortless customizations. User Management is the backend platform handling email verification, account linking, bot blocking, organization modeling, and more.
Hanko is a modern open source Authentication & User Management system – built and hosted in the EU. Alternative to Clerk, Auth0, Stytch, Descope.
Stack is an open-source, self-hostable, and highly customizable authentication and user management system.
Kanidm is an identity management server, acting as an authority on account information, authentication and authorisation within a technical environment.
Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities.
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:
Phase Two builds on top of Keycloak, one of the most widely used open source identity and access management systems in the world. Our extensions bring multi-tenancy, audit logging, a self-service admin portal, and more to enhance Keycloak for SaaS and on-premise use cases.
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