1. Amanda Replaces Symantec Data Recovery Software, NovaBackup, Barracuda Backup Service
Suitable for both small and large organizations, Amanda allows IT administrators to backup up multiple multi-platform systems to tape, disk, or other media. Development of the software is now sponsored by Zmanda, which provides cloud-based backup services that rely on the same software. Operating System: Windows, Linux, OS X.
More suitable for home users, Areca Backup offers advanced features like compression, encryption, file version tracking and backup simulation, along with a fairly easy-to-use interface. It offers full (backs up the entire drive), incremental (backs up files changed since last backup), differential (backs up files changed since last full backup), and delta (backs up the portions of the files changed since the last backup) backup options. Operating System: Windows, Linux.
3. Bacula Replaces Symantec Data Recovery Software, NovaBackup, Barracuda Backup Service
This enterprise-ready network backup solution claims to be the most popular open source backup option for enterprise users. Commercial support is available through Bacula Systems. Operating System: Windows, Linux, OS X.
4. Clonezilla Replaces Symantec Data Recovery Software, Norton Ghost
Specifically designed as a replacement for Norton Ghost and other Symantec backup products, Clonezilla is an open-source backup/imaging/cloning app that allows bare metal recovery and has unicasting and multicasting capabilities. It comes in two flavors: Clonezilla Live for backing up a single machine, and Clonezilla SE which can clone more than 40 systems at once. Operating System: Linux.
Extremely lightweight and easy-to-use, Create Synchronicity is great for home or small business users. It has good scheduling capabilities and is available in a number of different languages. Operating System: Windows.
6. FOG Replaces Symantec Data Recovery Software, NovaBackup, Barracuda Backup Service
FOG creates a Linux-based server that can backup both Windows and Linux systems. It's a good choice for small organizations, because it's very easy to use but also very powerful with a number of advanced features. Operating System: Linux, Windows.
7. Partimage Relaces Norton Ghost
This network tool can back up entire disks or just partitions. Note that it runs on Linux, but can also back up Windows machines connected to the network. Operating System: Linux.
Redo Backup and Recovery boasts that it can do a bare-metal restore in as little as 10 minutes. Unlike many other backup and recovery tools for home users, it can boot from a CD even if you can't run your operating system due to a virus or system crash. Operating System: Windows, Linux.