If your app uses Auth0 for authenticating users, adding SSO with LinkedIn, PayPal, GitHub, Twitter and Facebook is just a click away:
Each provider configuration page will allow you to fine tune the information you'd like your customers to disclose. As an example, when selecting PayPal you can choose to request:
Facebook is particularly prolific in profile scopes, but we've added explanations to each one to help you choose the right ones:
Registration of apps with each of these providers is different and sometimes difficult to find online. We've documented all of them, accesible right from each configuration screen:
Here's a list for your reference:
Finally, the Auth0 Login Widget will show the new connections if you enable them: