Kanidm is described as 'Identity management server, acting as an authority on account information, authentication and authorisation within a technical environment' and is a identity management tool in the security & privacy category. There are more than 25 alternatives to Kanidm for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Mac apps. The best Kanidm alternative is Keycloak, which is both free and Open Source. Other great apps like Kanidm are ZITADEL , authentik, Hanko and Auth0.