This recipe works in a manner similar to the Facebook and Google logins from previous recipes. Similarly, we can integrate LinkedIn, GitHub, and scores of other third-party providers that provide support for login and authentication using OAuth. It's up to you to implement any more integrations. The following links have been added for your reference: LinkedIn https://developer.linkedin.com/documents/authenticationGitHub https://developer.github.com/apps/building-oauth-apps/authorizing-oauth-apps/.