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




Gluu Server is described as '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' and is a identity management tool in the network & admin category. There are more than 25 alternatives to Gluu Server for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Windows apps. The best Gluu Server alternative is Keycloak, which is both free and Open Source. Other great apps like Gluu Server are authentik, Kanidm, Rauthy and Phase Two.
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.


Rauthy is a lightweight and easy to use Identity Provider supporting OpenID Connect, OAuth 2.0 and PAM. It aims to be simple to both set up and operate, with very secure defaults and lots of config options, if you need the flexibility.


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.


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:



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.

LemonlLDAP::NG is a modular Web-SSO based on Apache::Session modules. It simplifies the build of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting.




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.

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.

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


