This page is about software for performing and managing backups of files stored on nonvolatile media.
- rsync is a powerful Linux command line tool which can be used for doing backups, or as part of a backup system
- Unison File Synchronizer is a GUI file synchronization tool available for Linux, Windows, and Mac systems
- CrashPlan: software and an optional service
- Ubuntu One: provides some online storage for free; frustrating user interface