Apps similar to Zmanda include Duplicati, which is open source with a free version. Other options are rsync, Macrium Reflect, Acronis True Image and BorgBackup. Online Backup Tools like Zmanda are a crowded field, with more than 25 alternatives for Windows, Linux, Mac, self-hosting and the web.
rdiff-backup backs up one directory to another, possibly over a network. The target directory ends up a copy of the source directory, but extra reverse diffs are stored in a special subdirectory of that target directory, so you can still recover files lost some time ago.
Vinchin is a professional provider of data protection solutions for enterprises. It provides a series of data backup, instant recovery, and offsite DR solutions for private cloud and heterogeneous virtual environments.
China
Duplicity is a software suite that provides encrypted, digitally signed, versioned, remote backup of files requiring little of the remote server.
Slik Protect offers comprehensive visibility into the security posture of your cloud infrastructure and databases with its backups and agentless scanning technology.
United States
MSP360 Backup provides SMBs with an affordable and secure backup solution that works on all major platforms, including Windows, Linux, Mac, Hyper-V, and VMware.
United States
Crow Backup is a software that allows for the creation of backups on friends’ computers in a simple and secure manner.
Pluton is a self-hosted backup management platform that simplifies automated, incremental backups across your storage destinations. Pluton leverages powerful open-source tools - Restic for secure incremental backups and Rclone for versatile cloud storage connectivity - wrapped...
United States
System Center Data Protection Manager (DPM) is a robust enterprise backup and recovery system that contributes to your BCDR strategy by facilitating the backup and recovery of enterprise data.
United States
ElkarBackup will help you securing your company data. Manage all your backups from a single place, with an easy-to-use web interface!
Free Linux files & ©VMWare ©ESXi Virtual Machine backup. Backups can be stored to any locally accessible datastore or over IP to any SSH enabled Linux or ©ESXi host. Works as a local service installed directly on ©ESXi or as an appliance able to connect to N hosts via SSH.
Spain
EU
VaultGuard images your entire PC, fingerprints every backup, pulls real files back out of it every week to check they match, and keeps a second copy on a drive or in your own cloud folder.
United States
BackupVault is a UK based provider of secure, automated and offsite backup solutions aimed at the small/medium sized business.
United Kingdom