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




OpenAM is described as 'Provides open source authentication, authorization, entitlement and federation software. Through OpenAM, the community actively continues development of OpenSSO' and is an app. There are more than 10 alternatives to OpenAM for a variety of platforms, including Self-Hosted, Web-based, SaaS, Linux and Windows apps. The best OpenAM alternative is Keycloak, which is both free and Open Source. Other great apps like OpenAM are VoidAuth, ZITADEL , authentik and LemonLDAP::NG.
Open Source Identity and Access Management for modern Applications and Services.




Open-source authentication and user management platform offering passkey-based SSO, centralized login, user invitations, self-registration, and email integration for self-hosted deployments. Emphasizes privacy, admin and user ease, local data control, and strong security.

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.




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.




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.



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.


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...
The Shibboleth software implements widely used federated identity standards, principally the OASIS Security Assertion Markup Language (SAML), to provide a federated single sign-on and attribute exchange framework.

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.