gitfs : gitfs is a FUSE file system that fully integrates with git. You can mount a remote repository’s branch locally, and any subsequent changes made to the...
Kitematic : Run containers through a simple, yet powerful graphical user interface.
scmpuff : scmpuff makes working with git from the command line quicker by substituting numeric shortcuts for filenames.
Git Extensions is the only graphical user interface for Git that allows you control Git without using the commandline. It comes with a manual and video tutorials to get you started quickly.