Take a look at the wiki for detailed installation instructions: https://sourceforge.net/p/commsy/wiki/.
You can grep the latest development build of CommSy from http://jenkins.effective-webwork.de/job/CommSy%20Dev/lastSuccessfulBuild/artifact/
For the latest release build, use this link:
CommSy is a webbased community system, originally developed at the University of Hamburg, Germany, to support learning/working communities. For a more indepth description see the project home page. For questions or comments contact firstname.lastname@example.org
Super System, weil einfach zu benutzen