History of source versioning systems

Comparison of version-control software

	Author	Year
Source Code Control System	Bell Labs, Marc J. Rochkind	1973
Revision Control System	GNU Project	1982
Concurrent Versioning System	CVS Team	1990
Rational ClearCase	Rational Software, now IBM	1992
Visual SourceSafe	Microsoft	1994
Perforce Helix Core	Perforce Inc.	1995
BitKeeper	BitMover Inc.	2000
Apache Subversion	Apache Software Foundation	2000
Team Foundation Server	Microsoft	2005
Git	Linus Torvalds	2005
Mercurial	Olivia Mackall, Pierre-Yves David	2005
Quilt	Andreas Gruenbacher, Jean Delvare	2005
Atlassian Bitbucket	Atlassian	2008