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




authentik is described as 'Open-source identity provider focused on flexibility and versatility' and is a identity management tool in the development category. There are more than 25 alternatives to authentik for a variety of platforms, including Self-Hosted, Web-based, SaaS, Linux and Windows apps. The best authentik alternative is Keycloak, which is both free and Open Source. Other great apps like authentik are VoidAuth, ZITADEL , Apache Guacamole and Authelia.
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.

Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. We call it clientless because no plugins or client software are required.


Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.



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


Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities.

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.
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.

OAuth2-Proxy is a flexible, open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. It provides a simple and secure way to protect your web applications with OAuth2 / OIDC...

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


