The website for Digikam is at http://digikam.sourceforge.net. Please check there regularly to obtain news about Digikam. Digikam can be obtained in binary and source format from http://www.sourceforge.net/projects/digikam.
Also you can checkout the digikam3 and digikamplugins source code modules from SourceForge.net CVS repository like this:
% cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/digikam login % cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/digikam co digikam3 % cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/digikam co digikamplugins
The last CVS snapshoots can be downloaded at this URL http://digikam.free.fr/Tarballs.