SubGit is described as 'tool for a smooth, stress-free SVN to Git migration. Create writable Git mirror of a local or remote Subversion repository and use both Subversion and Git as long as you like' and is a Version Control System in the Development category. There are more than 25 alternatives to SubGit, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux, Android and Self-Hosted solutions. The best alternative is SmartGit. It's not free, so if you're looking for a free alternative, you could try GitKraken or GitHub Desktop. Other great sites and apps similar to SubGit are TortoiseGit (Free, Open Source), Git Extensions (Free, Open Source), gitg (Free, Open Source) and Tower (Paid).
SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS X and Linux. SmartGit is intended for developers who prefer a graphical user interface over a command line client, to be even more productive with Git.
TortoiseGit is a Windows Shell Interface to Git and based on TortoiseSVN. It's open source and can fully be build with freely available software. Since it's not an integration for a specific IDE like...
Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2010/2012/2013/2015/2017). Linux is supported by 2.51 version with some issues.
Tower is a native desktop Git client for both macOS and Windows. The app gives developers, designers, and non-technical people easy access to the full power of Git with features such as Pull Requests, Interactive Rebase, Image Diffing, Quick Actions, Undo and much more.
Sublime Merge is a fast and intuitive git client built on the same performant platform as Sublime Text. FEATURES - integrated three-way merge tool, - side-by-side diffs - powerful search - syntax highlighting