An open-source, cross-platform, revision-control VCS. It is mainly written in Python and is supported on MS Windows and Unix-like systems. Mercurial has an intuitive user interface. It is used for keeping code histories secure, supporting various workflows and projects of different size.
|First released||April 19, 2005|
|Developed by||Matt Mackall|
|Latest stable version||Mercurial 4|
|Used by||Facebook, CubicWeb, Adium|
Facebook adopted Mercurial in 2013, as well as did several other organizations, to handle their large code repository.