Europe PMC (http://europepmc.org/) is a repository, providing access to worldwide life sciences publications. Europe PMC uses Spring Social to allow Twitter users to sign into Europe PMC by just using their Twitter accounts, without having to signing up with Europe PMC. Europe PMC also develops the spring-social-orcid module to enable web applications or web services to access the ORCID Repository (https://orcid.org/) in the framework of Spring Social.