cold-turkey-blocker

Install command: 
brew install --cask cold-turkey-blocker

Name: Cold Turkey

Block websites, games and applications

https://getcoldturkey.com/

Cask JSON API: /api/cask/cold-turkey-blocker.json

Cask code: cold-turkey-blocker.rb on GitHub

Current version: 4.6

Current version requires: macOS >= 10.11

cold-turkey-blocker is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
cold-turkey-blocker 55
Installs (90 days)
cold-turkey-blocker 140
Installs (365 days)
cold-turkey-blocker 514
Fork me on GitHub