source code management code management The use of software systems to help program developers keep track of version history of {source code} {modules} as well as releases, parallel versions ({code branches}), etc. There are several in popular use, the free {CVS} being the best known. {Perforce} is a powerful commercial product. {SCCS} was once popular on {Unix} and {VSS} is {Microsoft}'s offereing. (2006-11-20)