Dropsync!

GoodSync is the high-end professional easy and reliable file backup and file synchronization software.

Grsync is a rsync gui, a graphical user interface for the rsync file synchronization and backup tool. It works on linux, solaris, windows, mac os x and maemo. It uses the gtk libraries and can work under the gnome desktop.

DirSync Pro (Directory Synchronize Pro) is a small utility for file and folder synchronization without bidirectional file-deletion. DirSync Pro can be used to synchronize the content of one or many folders recursively. In difference to Allway Sync, SyncBack or Synkron in the bidirectional synchronizing mode no files can be deleted!Using DirSync Pro you can make incremental backups. Only new/modified/larger files would be copied.Use DirSync Pro to easily synchronize files from your desktop PC to your USB-stick.DirSync Pro is programmed completely in platform independent Java. »

A graphical interface for the Rsync engine that will synchronise files between two computers either locally or over the internet. The beauty of Rsync is that it only transfers the exact part of a file that has changed (differential synchronisation), saving bandwidth and time.

Back up your data and synchronize PCs, Macs, servers, notebooks, and online storage space.

rsync backup is a tool that will, in essence, allow the user to copy data back and forth between the user’s computer and their Android device remotely. It uses SSH for the communication with the server, but users that are not familiar with this should probably read a bit before going ahead to mess with the application, according to the dev.

PureSync is a professional file backup and synchronization software, that can automatically keep a backup of your important files, import files from your digital camera and synchronize the contents of multiple folders, but not from "Windows Mobile" devices and no webDAV-folder, as Allway Sync or GoodSync does. No portable app. The program offers a step-by-step wizard to configure your backup and synchronization tasks and set advanced options like file exclusions, conflicts management, compare options and more. You can choose to run the backups manually as needed or automatically on a regular schedule. The program can also synchronize your files automatically when it detects that they have been modified, or when a specific device (e.g a USB drive) is connected or a certain folder is found. 4 languages: english, german, italian, norwegian.Since version 2.6.3 you can automatically delete files older than / not modified since xx days, following a specificable pattern, e.g. "TH*.dat;TH*.tmp". »

ChronoSync is a complete, all-in-one solution for file synchronizations, backups, bootable backups/clones and cloud storage.

csync is a lightweight utility to synchronize files between two directories on a system or between multiple systems.

Great for synchronizing large collections of media files such as MP3s, Videos, etc... without copying every file. Save time by only copying the files that are new or different. Use "Clone Mode" to synchronize a folder to match a master folder.

@MAX SyncUp is a feature-rich utility for backing up and synchronizing data on a local network or over the Internet. @MAX SyncUp provides an Apple Time Machine style backup using hard links. It allows for the effective remote synchronizing through an RSync-like algorithm to detect and transfer only the changed parts of files. It can also manage your important data using Google Drive, USB drives, a networked PC, NAS, (S)FTP, or a WebDAV server.

Backuplist+ is a popular "wrapper" application for the new rsync 3.0.6 copy tool. It is a powerful backup application that is simple for novice users and offers many choices for the more advanced user. It makes simple copies, not archives, that are easy to retrieve and can even make a clone of the whole system.