List of Free code Graph Facebook
Applet for visualizing a Facebook social network as a graph in 2D.
FacebookHalo is a simple framework to use facebook graph api easily. It is open source software released under the terms of the MIT License.
RestFB is a simple and flexible Facebook Graph API and Old REST API client written in Java.
struts facebook integration
Struts Facebook integration with the help of Facebook Graph API, Google gson and Scribe java.
Facebook integration with wicket using scribe java, google gjson and facebook graph Api.