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




The best open source alternative to Microsoft Entra ID is Keycloak. If that doesn't suit you, our users have ranked more than 25 alternatives to Microsoft Entra ID and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Entra ID are authentik, Kanidm, Phase Two and Pocket ID.
Open Source Identity and Access Management for modern Applications and Services.




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




Kanidm is an identity management server, acting as an authority on account information, authentication and authorisation within a technical environment.


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.


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.

Nubus is a modular open-source solution for centralized identity & access management, providing secure user management, role-based access control, and Single Sign-On (SSO) via a central web portal.



The Gluu Server is a container distribution of free open source software (FOSS) for identity and access management (IAM). SaaS, custom, open source and commercial web and mobile applications can leverage a Gluu Server for user authentication, identity information, and policy...
Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.
walt.id offers holistic open source decentralized identity and wallet infrastructure already used by thousands of developers as well as governments, public authorities, DAOs and businesses across industries.

Meveto is an authentication company that completely removes the use of passwords - eliminating one of the biggest threats to any organization's security and hacker's favorite way to breach.

