Google Drive
Sync a Drive folder to a portal – new files show up as versions for review.
Deliver approved files from Dropbox without expiring links.
Keep large source files in Dropbox and deliver them through the portal. Clients download from Ferrybox; the files never leave your Dropbox and the links never expire.
Folders sync both ways, so an updated file in Dropbox becomes a new version for review.
Sync a Drive folder to a portal – new files show up as versions for review.
Keep Box as the source of truth and use Ferrybox for review and delivery.