Spree is an Open Source Knowledge Exchange Network, its an expert search engine where users ask questions to find other participating users, who are knowledgeable in that area and willing to help. spree identifies the most qualified experts to a given question automatically and in real-time.

spree facilitates real-time communication between users and experts via its chat interface. This Free and Open Source Knowledge Exchange Network aims to create an active online community, especially in enterprises, where every user can ask questions or act as an expert helping fellow users.

Facebook Connect is the next evolution of Facebook Platform – enabling you to integrate the power of Facebook Platform into your own site. Enable your users to seamlessly “connect” their Facebook account and information with your site. Find their friends who also use your site. And also, share information and actions on your site with their friends on Facebook.