Spring has an oauth2 authorization server that is currently in early release: https://github.com/spring-projects/spring-authorization-server https://github.com/

Spring has an oauth2 authorization server that is currently in early release: https://github.com/spring-projects/spring-authorization-server https://github.com/spring-projects/spring-authorization-serv... I'm building something with it currently and it's quite nice, especially if you are already familiar with spring security. Documentation is quite sparse tho.