messenger

Install command: 
brew install --cask messenger

Name: Facebook Messenger

Native desktop app for Messenger (formerly Facebook Messenger)

https://www.messenger.com/desktop

/api/cask/messenger.json (JSON API)

Cask code on GitHub

Current version: 175.0.0.9.103,439670808

Analytics:

Installs (30 days)
messenger 460
Installs (90 days)
messenger 1,484
Installs (365 days)
messenger 6,652
Fork me on GitHub