Truck - A faster alternative to FTP
Grover - Rent electronics for a month & try it before you buy.
arRsync - arRsync is a tool that is designed for macOS that is used for transferring and synchronizing files between a computer and a storage drive.
Shelf Engine - Vendors get paid for only products they sell
Synchromat - Synchromat is file and folder synchronization software for Windows.
Nespresso Index - The caffeinated version of the Big Mac Index.