Family Graph by MyHeritage.com allows users to share their family trees and photos with other people. Family Graph also allows users to connect with other families that use MyHeritage.com.
The Family Graph API allows users to access data and functionality from MyHeritage.com to build other applications. Some example API methods include accessing photos and albums, retrieving user information, finding other members and families, and connecting to other users and families.
The last few years have seen the emergence of friend and business networks and users have raced to setup business connections and lookup old friends. How about taking a break and concentrate on building up a dream application for your family? MyHeritage.com, which provides sites to build your family tree and a family graph genealogy API, has extended its developer contest, that invites developers to build interesting applications within family networks.