An OpenID Connect reference implementation in Java on the Spring platform.
Version of the MITREid Connect server backed by an external LDAP user store
Authorization Server Implementation in Java supporting OAuth 2.0 & OpenID Connect
OAuth 2.0 server and client; OpenID Connect Provider (OP) & UMA Authorization Server (AS)
Authlete library for JAX-RS (Java) to implement an authorization server supporting OAuth 2.0 & OpenID Connect