Sublime Merge - Fast git client with integrated merge tool from the makers of Sublime Text
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
OctoDroid - Mobile GitHub client for Android.
SourceTree - Mac and Windows client for Mercurial and Git.
Gittyup - Understand your Git history! Contribute to Murmele/Gittyup development by creating an account on GitHub.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.