Keycloak

• WebAuthn and Multi-factor Authentication Support in Keycloak - DevConf.CZ 2020 - YouTube
• User Authentication with Keycloak - Part 1: React front-end -
• REST Service Protected Using Keycloak Authorization Services | by Ravinder Thirumala | Medium
• Sichere Spring-Anwendungen mit Keycloak | Thomas Darimont - YouTube