Source Code Management Software

Codacy
  5
Automated code review tool for developers
GitHub
  1851
Social coding & collaborative development platform
Bitbucket
  640
Bitbucket is the Git solution for professional teams
GitLab
  318
Complete DevOps lifecycle management
Assembla
  36
Project management tool for software development teams
Phabricator
  2
Open-source software development and project management tool