GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
Truck - A faster alternative to FTP
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
csync - csync is a lightweight utility to synchronize files between two directories on a system or between...
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.
CopyQueue - CopyQueue - Copying under control.