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




VoidAuth is described as 'Open-source SSO provider for self-hosted apps with passkey support, user invites, self-registration, strong privacy, admin ease, and local management' and is a identity management tool in the security & privacy category. There are more than 25 alternatives to VoidAuth for a variety of platforms, including SaaS, Web-based, Self-Hosted, Linux and Kubernetes apps. The best VoidAuth alternative is Keycloak, which is both free and Open Source. Other great apps like VoidAuth are ZITADEL , authentik, Hanko and Auth0.
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.

authentik is an open-source identity provider focused on flexibility and versatility.




Hanko is a modern open source Authentication & User Management system – built and hosted in the EU. Alternative to Clerk, Auth0, Stytch, Descope.

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:



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.


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



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.

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.

With AWS Identity and Access Management (IAM), you can specify who or what can access services and resources in AWS, centrally manage fine-grained permissions, and analyze access to refine permissions across AWS.

OneLogin is a cloud-based IAM solution providing users secure access to cloud applications from any device.