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.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
GitNex - GitNex is a free, open-source Android client for Git repository management tool Gitea.
TortoiseGit - TortoiseGit is an easy to use client for the Git distributed revision control system.