SourceTree is a free Mercurial and Git Client for Windows and Mac that provides a graphical interface for your Hg and Git repositories. Developed by Atlassian
License: Free
SourceTree is a powerful Git GUI that offers a comprehensive set of features for managing complex Git workflows, especially for experienced users. In contrast, GitKraken provides a more intuitive and visually appealing interface, making it easier for beginners to navigate Git repositories, though it comes with some performance trade-offs for larger projects.