time-out

Install command: 
brew install --cask time-out

Name: Time Out

Customizable timing of breaks

https://www.dejal.com/timeout/

Cask JSON API: /api/cask/time-out.json

Cask code: time-out.rb on GitHub

Current version: 2.9.7

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
time-out 299
Installs (90 days)
time-out 896
Installs (365 days)
time-out 2,776