What is “synfig” Package?

Command-line renderer
For more details: https://synfig.org/

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 synfig.

  brew install synfig

Now, use synfig!