Apereo CAS vs Authelia
| Apereo CAS | Authelia | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | |
| Paid from | Free | Free |
| Platforms | api, self-hosted, Web | api, Linux, self-hosted, Web |
| Free plan | Yes | Yes |
| SSO protocols | CAS, SAML 2.0, OAuth 2.0, OpenID Connect | |
| Directory integrations | LDAP, Active Directory, OpenLDAP | |
| Built-in MFA | Yes | |
| Adaptive access | Yes | No |
| Deployment | self_hosted | |
| Supported factors | username and password; TOTP; FIDO2 WebAuthn security keys; passkeys; Duo mobile push | |
| App integration methods | reverse-proxy forwarded authentication; proxy authorization endpoints; OpenID Connect 1.0 provider; trusted headers SSO | |
| Passwordless authentication | Yes |
Listed together in Best Single Sign-On Software