Hello, we're developing one service to be integrated with various social networks and would like to allow users to be authenticated with their facebook-google-twitter-etc accounts in a simple one-click way.
Most of the huge network providers permit to do it with their proprietary APIs, but for small group of programmers as we are to support all of them is very difficult problem.
We are searching for some community project which implements most of the proprietary API authentication methods to be included in our small website.
The developing language is not of huge importance, but it would be great to find one written in PHP.
Thank you.