Summary

Name	Protocol	Description
eduGAIN	SAML	Federation of research and educational providers supported by Geant
eduTEAMS	OIDC	Group management service integrated with research and educational providers provided by Geant
FreeIPA	REST API	Support for synchronisation of Waldur identities with open-source Identity Management server
Keycloak	OIDC	Open-source identity management server
LDAP	LDAP/S	Support of identity servers over LDAP protocol
TARA	OIDC	Estonian State Autentication service
Passkeys	FIDO2/WebAuthn	Phishing-resistant sign-in for local and staff accounts, with no external identity provider

For what an OIDC login does step by step, see the interactive OIDC login flow walkthrough.