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




WorkOS is described as 'Unified APIs and SDKs offer SSO, Directory Sync, passwordless and multi-factor authentication, audit logs, user provisioning, and admin portal setup for seamless identity management' and is an app in the network & admin category. There are more than 50 alternatives to WorkOS for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Mac apps. The best WorkOS alternative is Keycloak, which is both free and Open Source. Other great apps like WorkOS are ZITADEL , AuthKit, Hanko and Authelia.
Open Source Identity and Access Management for modern Applications and Services.




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.

Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.



Stack is an open-source, self-hostable, and highly customizable authentication and user management system.


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:



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.

Logto helps you build the sign-in, auth, and user identity within minutes. We provide an OIDC-based identity service and the end-user experience with username, phone number, email, and social sign-in, for web and native apps.




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.

Pomerium is an identity and context-aware proxy that enables secure access to applications without a client. Pomerium provides a standardized interface to add access control to applications regardless of whether the application itself has authorization or authentication baked-in.



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


