If you require the source you can get it in in svn at: http://socialauth-net.googlecode.com/svn
When you access the login page and click one of the buttons to login you may get this error:
Could not load file or assembly 'Microsoft.IdentityModel, Version=188.8.131.52, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
If you do please install the You will need to install the Windows Identity Foundation and reference the Microsoft.Identity.Model dll in your web application project.
NOTE: If you are using XP then you cannot use the Microsoft Identity Foundation.