Name: RAR Archiver
https://www.rarlab.com/
/api/cask/rar.json (JSON API)
/api/cask/rar.json
Cask code on GitHub
Current version: 5.7.1
Instructions on using rar and unrar are available in $(brew --prefix)/Caskroom/rar/5.7.1/rar/rar.txt
