Allway Sync is backup and file synchronization software that allows backing up and synchronizing files to the same or different drives, to different media (CD…

Duplicati is a backup tool, not a file sync tool.

GoodSync is a backup and file synchronization program. It is used for synchronizing files between two directories.

Qtd Sync is a backup client and server.

SyncToy is a freeware tool in Microsofts PowerToys series that provides an easy-to-use graphical user interface for synchronizing files and folders in Windows…

Unison is a file-synchronization tool for OSX, Unix, and Windows. It allows two replicas of a collection of files and directories to be stored on different ho…

DirSync Pro is an open source synchronization and backup utility for Windows, Linux, macOS, and all other operating systems that run Java.

FreeFileSync is a free open source backup software which helps you compare and synchronize files and folders on Windows, Linux and macOS.

PureSync is a Windows program to synchronize files and folders, and to do backups automatically in the background.

rsync is a utility for efficiently transferring and synchronizing files across computer systems, by checking the timestamp and size of files.

Synkron is a multiplatform Qt application designed for synchronizing two or more folders. It is written in C++ and uses the Qt4 libraries. Synkron is distribu…