focus

Install command: 
brew install --cask focus

Name: Focus

Website and application blocker

https://heyfocus.com/

Cask JSON API: /api/cask/focus.json

Cask code: focus.rb on GitHub

Current version: 2.4.1

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
focus 18
Installs (90 days)
focus 60
Installs (365 days)
focus 312