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: 8.4.4,38366

Analytics:

Installs (30 days)
cyberduck 2,394
Installs (90 days)
cyberduck 7,512
Installs (365 days)
cyberduck 30,722
Fork me on GitHub