Authorizer (authentication) is described as 'Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway.app | Heroku in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box' and is a identity management tool in the development category. There are more than 25 alternatives to Authorizer (authentication) for a variety of platforms, including Web-based, SaaS, Self-Hosted, Docker and Linux apps. The best Authorizer (authentication) alternative is Keycloak, which is both free and Open Source. Other great apps like Authorizer (authentication) are authentik, Kanidm, Better Auth and Auth0.