AuthKit is described as 'Radix-powered open source authentication UI built for effortless customizations. User Management the backend platform handling email verification, account linking, bot blocking, organization modeling, and more' and is an app in the security & privacy category. There are more than 25 alternatives to AuthKit for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Android apps. The best AuthKit alternative is Keycloak, which is both free and Open Source. Other great apps like AuthKit are ZITADEL , Hanko, Stack Auth and Kanidm.