git-gui is described as 'Is a tool for creating commits and managing branches. It was inspired by and initially based on gitool. Written in Tcl/Tk. Stable versions are shipped with Core Git since version 1.5' and is an app in the Development category. There are more than 25 alternatives to git-gui for a variety of platforms, including Mac, Windows, Linux, the Web and Android. The best alternative is GitKraken. It's not free, so if you're looking for a free alternative, you could try Sourcetree or GitAhead. Other great apps like git-gui are SmartGit (Free Personal), GitHub Desktop (Free, Open Source), TortoiseGit (Free, Open Source) and Git Extensions (Free, Open Source).