Warning: Can't synchronize with the repository (Couldn't open Subversion repository /home/crystal/scm/crystal: SubversionException: ("Expected FS format between '1' and '3'; found format '4'", 160043)). Look in the Trac log for more information.

Project Ares is the main demonstrator for CS.

There is also the Demo and Test apps presenting the work needed for the other demonstrators of CS.

Help is welcome for all of that, whatever your knowledge of CS there is always a task that you can pick (then just edit the page and add your name in front of that task).