Phabricator

Phabricator (pronounced like the word fabricator) is a suite of web applications which make it easier to build software, particularly when working with teams. Phabricator is developed and maintained by Phacility. The first version of Phabricator was originally built at Facebook. The major components of Phabricator are: Differential, a code review tool; and Diffusion, a repository browser; and Maniphest, a bug tracker; and Phriction, a wiki.