Unison is an open file synchronization tool for OSX, Unix and Windows released under the GNU license that allows two copies of a collection of files and directories to be stored on different hosts (or different disks on the same host), changes individually and then actualized by propagating the changes in each replica to the other.
Rsync is a command-line tool developed by Wayne Davison. It is popular with Linux users, especially system administrators. It has a large amount of incremental backups, update of entire directory tree and file system, both local and external backups, as well as retaining file permissions, ownership rights, links, and more.
It hides the complexity of backing up data correctly (encrypted, off-site and regularly) and uses duplicate as backend.
• Support for local, remote or cloud locations, such as Amazon S3 and Rackspace Cloud Files.
• Encrypt and compress your data securely
• Backup gradually, allows you to recover from a backup
• Scheduling for regular backups
• Integrated into your GNOME desktop
DirSync Pro is a small program written in JAVA and despite its size it is a powerful utility for file and folder synchronization. DirSync Pro can be used to synchronize the content of one or many folders recursively.
You can use DirSync Pro to easily synchronize files from your desktop PC to your USB-stick, external harddrive, PDA or Notebook.Use this USB-stick, harddrive, PDA or Notebook to synchronize files to another desktop PC.
Back In Time is a simple backup solution for Linux desktops. It is based on rsync and uses hard-links to reduce space used for unchanged files. It comes with a Qt4 GUI which will run on both Gnome and KDE based Desktops.
Back In Time is written in Python3 and is licensed under GPL2.
Very cheap all-in-one solution.
Offer valid from September 12 to October 18.
New offer 85% off + 3 months extra. They have also fixed their Linux client so you are recommended to update to version:1.1.
