You can find a demo of Project Sonar at: http://demo.projectsonar.org/Sonar-1.0.0-dev/ . To login as an administrator and be able to create both peer and global graphs login by clicking the blue button to enable the administration login and use the password sonar. To login as a user use the username martin and the password martin.

The demo runs the most recent Project Sonar development version on a Apache Tomcat with a MySQL backend.