Project Sonar is Open Source. Feel free to contribute your ideas and your work to the project. Our main development and bugtracker is on http://github.com/dsp/projectsonar . Feel free to add your ideas to the bugtracker or fork the project and send us patches.

Project Sonar offers an extensible interface to write new centralities. Feel free to contribute new centralities to Project Sonar. Various papers were released that we are interested to see implemented such as Closeness. We are also interested in various scaling technologies like Map & Reduce to analyze bigger social networks.

Project Sonar is licensed as a free and Open Source Software under the terms of the GNU General Public License version 2. The centrality interface is licensed under the GNU Lesser General Public License version 2.1. Dual licensing for commercial purposes will be available soon.