busycal

Install command: 
brew install --cask busycal

Name: BusyCal

Calendar software focusing on flexibility and reliability

https://busymac.com/busycal/index.html

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

Cask code: busycal.rb on GitHub

Current version: 2025.4.4,2026-01-04-18-48

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
busycal 74
Installs (90 days)
busycal 185
Installs (365 days)
busycal 650