PUBLIC MARKS with tags synchronisation & sauvegarde

DirSync Pro (Directory Synchronize Pro) is a small, but powerful utility for file and folder synchronization. DirSync Pro can be used to synchronize the content of one or many folders recursively. Using DirSync Pro you can make incremental backups. In this way you'll spare lots of time because you don't have to copy all the files each time you want to update your backup; only new/modified/larger files would be copied.

Camlistore is a way to store, sync, share, model and back up content

FullSync is a universal file synchronization and backup tool which is highly customizable and expandable. It is especially for developers, but the basic functionality is easy enough for everyone.

SyncToy is a free PowerToy for Microsoft Windows XP that provides an easy to use, highly customizable program that helps users to do the heavy lifting involved with the copying, moving, and synchronization of different directories.

FullSync is a universal file synchronization and backup tool which is highly customizable and expandable. It is especially for developers, but the basic functionality is easy enough for everyone.