A.9. CVSNT

"CVSNT is an advanced multiplatform version control system. Compatible with the industry standard CVS protocol it now supports many more features . . . CVSNT is Open Source, Free software licensed under the GNU General Public License."

Its feature list includes authentication via all standard CVS protocols, plus Windows-specific SSPI and Active Directory; secure transport support, via sserver or encrypted SSPI; cross platform (runs in Windows or Unix environments); NT version is fully integrated with Win32 system; MergePoint processing means no more tagging to merge; under active development.

http://cvsnt.org/