Arch is a VersionControlSystem from the GNU project. Unlike SubVersion it is not intended as a drop-in replacement for CVS, but is a fundamental redesign of how a VersionControlSystem might work.
CategoryVersionControl
One page links to GnuArch:
Arch is a VersionControlSystem from the GNU project. Unlike SubVersion it is not intended as a drop-in replacement for CVS, but is a fundamental redesign of how a VersionControlSystem might work.