StudiAnalyse is an Open Source software project (using prefuse), which anyone can join and use for free. It visualizes and analyses a social community network, similar to facebook, called StudiVZ.
StudiVZ is a dedicated german social network, which is raising in popularity. The site was launched in October 2005 and has now more than 1 000 000 users. To use StudiAnalyse you will need to have a StudiVZ account and a fair knowledge of german.