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




HelloID is described as 'Cloud-based Identity & Access Management (IAM) solution. It has functionality that includes automated self service, provisioning, password reset, among other modules' and is a identity management tool in the security & privacy category. There are more than 25 alternatives to HelloID for a variety of platforms, including Web-based, Self-Hosted, SaaS, iPhone and Mac apps. The best HelloID alternative is Keycloak, which is both free and Open Source. Other great apps like HelloID are authentik, Authelia, AuthKit and Hanko.
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.



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.


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.


Microsoft Entra ID (formerly Azure Active Directory) is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups.
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.

The goal of Pocket ID is to be a simple and easy-to-use. There are other self-hosted OIDC providers like Keycloak or ORY Hydra but they are often too complex for simple use cases.
