sync

Install command: 
brew install --cask sync

Name: Sync

Store, share and access files from anywhere

https://www.sync.com/

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

Cask code: sync.rb on GitHub

Current version: 2.2.52

Requirements: macOS >= 10.11

Analytics:

Installs (30 days)
sync 27
Installs (90 days)
sync 81
Installs (365 days)
sync 364