What is “tarsnap-gui” Package?

Cross platform GUI for the Tarsnap command-line client
For more details: https://github.com/Tarsnap/tarsnap-gui/wiki

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install tarsnap-gui.

  brew install tarsnap-gui

Now, use tarsnap-gui!