shortwave

Install command: 
brew install --cask shortwave

Name: Shortwave

Email client

https://www.shortwave.com/

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

Cask code: shortwave.rb on GitHub

Current version: 2025.9.1

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
shortwave 15
Installs (90 days)
shortwave 44
Installs (365 days)
shortwave 216