Take a look at Phabricator: http://phabricator.org/ http://phabricator.org/ It has it's own code review workflow which is, in my opinion, superior to Github's

Take a look at Phabricator: http://phabricator.org/ http://phabricator.org/ It has it's own code review workflow which is, in my opinion, superior to Github's. A nice summary: http://cramer.io/2014/05/03/on-pull-requests/ http://cramer.io/2014/05/03/on-pull-requests/