Retrospect - Retrospect Backup: Data Protection for Small Businesses. Windows, Mac, Linux, VMware, Hyper-V, Exchange, SQL, and Email. Servers and endpoints. Try for free for 45 days.
DAR - Disk Archive Home Page
Bacula Enterprise - A physical, virtual and cloud data center backup software for data centers. Bacula Enterprise Edition is the best open source backup software.
LBackup - An rsync based backup solution for *NIX based system(s), with a flexible scripting subsystem which...
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
GNU tar - GNU tar saves many files together into a single tape or disk archive, and can restore individual...