SourceTree - Mac and Windows client for Mercurial and Git.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GitTouch - Open-source app for GitHub, GitLab, Bitbucket, Gitea, and Gitee
LabCoat - Manage your GitLab projects on the go with the LabCoat app for Android