Top Alternatives to Git Extensions

SourceTree is a free Mercurial and Git Client for Windows and Mac that provides a graphical interface for your Hg and Git repositories.

SmartGit is a Git client for Windows, Mac and Linux. It is free for non-commercial use, provides a graphical access to Git repositories and can access Subversion.

TortoiseGit is a Git revision control client, implemented as a Windows shell extension and based on TortoiseSVN. It is free software released under the GNU General Public License.

Git is a version control system (VCS) for tracking changes in computer files and coordinating work on those files among multiple people.

Tower provides nice interface for Git.

gitg is a fast git repository browser for the GNOME desktop.

Springloops is a web-based Git and Subversion version control and hosting service with integrated deploy and code collaboration features for web and software developers.

Git Cola is a sleek and powerful graphical user interface for Git. Git Cola is free software and written in Python.

GitX is a git GUI made for Mac OS X.

GitEye combines a simple-to-use graphical Git client with central visibility into essential developer tasks such as defect tracking, Agile planning, code reviews, etc.

git-gui provides public git hosting.