SourceTree - Mac and Windows client for Mercurial and Git.
Visual Studio Team Services - Visual Studio Team Services (VSTS) provides unlimited Git hosting, cloud build for CI, agile planning and continuous delivery.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Helix ALM - Helix ALM is the single, integrated application that lets you centralize and manage requirements, test cases, issues, and other development artifacts and their relationships.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
Jama Connect - The Leader in Requirements Management Solutions