Digionica SyncTool - Digionica SyncTool is a useful utility that has been designed for synchronizing files and folders in numerous computers on the net, on local storage, and on servers.
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.
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.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
MirrorFolder - MirrorFolder is a real-time folder synchronization and backup software
Surge Send - File transfer and storage made easy, fast, and secure.