Free gitg Alternatives
gitg is described as 'git repository viewer targeting gtk+/GNOME. One of its main objectives is to provide a more unified user experience for git frontends across multiple desktops'. There are more than 25 alternatives to gitg for various platforms. 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 gitg are SmartGit (Free Personal), GitHub Desktop (Free, Open Source), TortoiseGit (Free, Open Source) and Git Extensions (Free, Open Source).