GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
SourceTree - Mac and Windows client for Mercurial and Git.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
Fork - Fast and Friendly Git Client for Mac
Git Force - Git Force is one of the powerful tools that allow you to push changes in the commit history, making it free not to line with new or anyone in the future.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.