A complete 360 degree solution to provide all the social features like Social Login, Social Commenting, Social Sharing and more
Let users log in, comment and share via their social accounts with Facebook, Google, Amazon, Twitter, LinkedIn, Vkontakte, QQ and over 25 more!
SeatID Social Solutions Plugin allows you to implement the SeatID widget onto your WordPress website without the need to add or edit any code.
Social Login by Janrain
Google Identity Toolkit (GITkit) helps relying party (RP) websites to support federated login easily (http://code.google.com/apis/identitytoolkit).