cyberduck

Install command: 
brew install --cask cyberduck

Name: Cyberduck

Server and cloud storage browser

https://cyberduck.io/

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

Cask code on GitHub

Current version: 7.8.5,34493

Analytics:

Installs (30 days)
cyberduck 2,472
Installs (90 days)
cyberduck 7,370
Installs (365 days)
cyberduck 26,885
Fork me on GitHub