quit-all

Install command: 
brew install --cask quit-all

Name: QuitAll

Quickly quit one, some, or all apps

https://amicoapps.com/app/quit-all/

Cask JSON API: /api/cask/quit-all.json

Cask code: quit-all.rb on GitHub

Current version: 1.3.5

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
quit-all 14
Installs (90 days)
quit-all 63
Installs (365 days)
quit-all 190