Gitweb is a Git web interface. It is written in Perl and can be used as a CGI script, or as a mod_perl legacy script.
License: Open Source
SourceTree is a powerful Git GUI tool primarily designed for desktop use, offering advanced features like branching and merging, while Gitweb is a lightweight web-based interface ideal for repository browsing and collaboration. SourceTree excels in graphical representation and user experience, while Gitweb focuses on simplicity and ease of access for teams working remotely.