I prepared it already some time ago and think that the time has come, to finally reveal it.
CentrED is from now on published under the CDDL Open Source license.
All details on how to obtain the source and how to contribute can be found in the according thread (//http://www.aksdb.de/board/viewtopic.php?f=12&t=92&start=0&st=0&sk=t&sd=a).