Git Flow - Git Flow is a very self-explanatory free software workflow for managing Git branches.
Yammer - Yammer is a leading enterprise social network used by more than 200,000 companies worldwide, including 85% of the Fortune 500, to get work done smarter and faster. Sign Up Today.
Working Copy - The powerful Git client for iOS
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Git-Repo - Manage Gitlab, GitHub and Bitbucket from the command line
Communifire - Enterprise Social Collaboration Software