distributed revision control system
distributed computing
Git
distributed version control system
Mercurial
cross-platform, distributed revision-control tool for software developers
GNU arch
distributed revision control system
GNU Bazaar
distributed version control system
Breezy
source version control software
Fossil
distributed version control system, bug tracking system and wiki server
Helix Core
centralized VCS by Perforce Software
Monotone
distributed version control system