The following repositories are available at this site:
For example, you can check out the current Ghostscript development tree like so:
svn co http://svn.ghostscript.com/ghostscript/trunk/gs
Or the current GhostPDL development tree:
svn co http://svn.ghostscript.com/ghostscript/trunk/ghostpdl
Or you can use the local viewvc access to browse the history of both the CVS and SVN repositories. Just select a different Project root to access the different SVN trees.