SmartGit vs SourceTree: What are the differences?
What is SmartGit? A Git Graphical User Interface client. It is a graphical Git client with support for SVN and Pull Requests for GitHub and Bitbucket. It runs on Windows, macOS and Linux.
What is SourceTree? A free Git GUI client for Windows and macOS. Use the full capability of Git and Mercurial in the SourceTree desktop app. Manage all your repositories, hosted or local, through SourceTree's simple interface.
SmartGit and SourceTree belong to "Source Code Management Desktop Apps" category of the tech stack.