List of Top Free Open Source & Self Hosted Application for Backup

Backup software.

Amanda – Client-server model backup tool.
Backupninja – Lightweight, extensible meta-backup system.
BackupPC – BackupPC is a high-performance system for backing up to disk.
Bareos – A fork of Bacula backup tool.
Barman – Backup and Recovery Manager for disaster recovery of PostgreSQL servers.
BorgBackup – A fork of Attic deduplicating backup program written in Python.
Burp – Network backup and restore program.
DREBS – AWS EBS backup script that supports strategies.
Dar – Which stands for Disk ARchive, is a robust and rich featured archiving and backup software of the tar style. GPL-2.0 C++
Duplicati – Multiple backends, encryption, web-ui and multi-OS backup tool.
Duplicity – Encrypted bandwidth-efficient backup using the rsync algorithm.
Elkarbackup – Backup solution based on RSnapshot with a simple web interface
rclone – a command line program to sync files and directories to and from several cloud storage systems/providers.
Rdiff-backup – An easy A remote incremental backup of all your files.
Restic – Secure, remote backup tool. Designed to be easy, fast, verifiable and efficient.
Rsnapshot – Filesystem Snapshotting Utility.
Shield – A pluggable architecture for backup and restore of database systems.
Snebu – Snapshot backup with global multi-client deduplication and transparent compression.
UrBackup – Another client-server backup system.
ZBackup – A versatile deduplicating backup tool.