Casdoor is described as 'An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, RADIUS, Google Workspace, Active Directory and Kerberos' and is an app in the business & commerce category. There are more than 10 alternatives to Casdoor for a variety of platforms, including Self-Hosted, SaaS, Web-based, Docker and Linux apps. The best Casdoor alternative is VoidAuth, which is both free and Open Source. Other great apps like Casdoor are Keycloak, ZITADEL , authentik and Authelia.