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. Developed by Syntevo
License: Free Personal
SmartGit offers a more comprehensive feature set and cross-platform support, making it suitable for advanced users and teams managing large repositories. In contrast, Git Extensions is primarily focused on Windows users and provides a simpler interface, making it ideal for beginners and smaller projects.