Re the discussion of CVS, have a look at Subversion and TortoiseSVN as a GUI client. Both on Sourceforge.
Also, Siberlogic Sibersafe is a *** content management system *** that works with FrameMaker content down to the level of paragraphs and also supports the DITA XML system. Note: A document management system tends to deal with complete documents/files/PDFs or whatever, while a content management system deals with fragments of content at any suitable granularity. -- Hedley Finger Training Content Developer and Tools Specialist MYOB Australia Pty Ltd <http://myob.com/au> P.O. box 371 Blackburn VIC 3130 Australia 12 Wesley Court Tally Ho Business Park East Burwood VIC 3151 Australia <mailto:hedleyDOTfingerATmyobDOTcom> Tel. +61 3 9222 9992 x 7421, Mob. (cell) +61 412 461 558 ? MYOB Technology Pty Ltd 2006