telegram-desktop

Install command: 
brew install --cask telegram-desktop

Name: Telegram Desktop

Desktop client for Telegram messenger

https://desktop.telegram.org/

Cask JSON API: /api/cask/telegram-desktop.json

Cask code: telegram-desktop.rb on GitHub

Current version: 6.3.3

Requirements: macOS >= 10.15

Conflicts with casks:

telegram-desktop@beta 6.3.3 Desktop client for Telegram messenger Telegram Desktop

Analytics:

Installs (30 days)
telegram-desktop 799
Installs (90 days)
telegram-desktop 2,446
Installs (365 days)
telegram-desktop 9,256