- [BackupPC](https://backuppc.github.io/backuppc/) - BackupPC is a high-performance system for backing up to disk. ([Source Code](https://github.com/backuppc/backuppc)) `GPL-3.0``Perl`
- [Bareos](https://www.bareos.org/) - A fork of Bacula backup tool. ([Source Code](https://github.com/bareos/bareos)) `AGPL-3.0``C++/C`
- [Barman](https://pgbarman.org) - Backup and Recovery Manager for disaster recovery of PostgreSQL servers. ([Source Code](https://github.com/EnterpriseDB/barman)) `GPL-3.0``Python`
- [BorgBackup](https://www.borgbackup.org/) - Deduplicating archiver with compression and authenticated encryption. ([Source Code](https://github.com/borgbackup/borg))
- [Burp](https://burp.grke.org/) - Network backup and restore program. ([Source Code](https://github.com/grke/burp))
- [BorgBackup](https://www.borgbackup.org/) - Deduplicating archiver with compression and authenticated encryption. ([Source Code](https://github.com/borgbackup/borg))`BSD-3-Clause``Python`
- [Burp](https://burp.grke.org/) - Network backup and restore program. ([Source Code](https://github.com/grke/burp))`AGPL-3.0``C`
- [Dar](http://dar.linux.free.fr/) - Which stands for Disk ARchive, is a robust and rich featured archiving and backup software of the tar style. ([Source Code](https://github.com/Edrusb/DAR)) `GPL-2.0``C++`
- [Duplicity](https://duplicity.gitlab.io/) - Encrypted bandwidth-efficient backup using the rsync algorithm. ([Source Code](https://gitlab.com/duplicity/duplicity))`GPL-2.0``Python`
- [Proxmox Backup Server](https://www.proxmox.com/en/proxmox-backup-server) - Proxmox Backup Server is an enterprise-class, client-server backup solution thatis capable of backing up virtual machines, containers, and physical hosts. ([Source Code](https://git.proxmox.com/?p=proxmox-backup.git;a=tree)) `GPL-3.0``Rust`
- [rclone](https://rclone.org/) - a command line program to sync files and directories to and from several cloud storage systems/providers. ([Source Code](https://github.com/rclone/rclone))
- [Rdiff-backup](https://rdiff-backup.net/) - An easy A remote incremental backup of all your files. ([Source Code](https://github.com/rdiff-backup/rdiff-backup))
- [Restic](https://restic.net/) - Secure, remote backup tool. Designed to be easy, fast, verifiable and efficient. ([Source Code](https://github.com/restic/restic))
- [Shield](https://github.com/starkandwayne/shield) - A pluggable architecture for backup and restore of database systems.
- [UrBackup](https://www.urbackup.org/) - Another client-server backup system. ([Source Code](https://github.com/uroni/urbackup_backend))
- [rclone](https://rclone.org/) - a command line program to sync files and directories to and from several cloud storage systems/providers. ([Source Code](https://github.com/rclone/rclone))`MIT``Go`
- [Rdiff-backup](https://rdiff-backup.net/) - An easy A remote incremental backup of all your files. ([Source Code](https://github.com/rdiff-backup/rdiff-backup))`GPL-2.0``Python`
- [Restic](https://restic.net/) - Secure, remote backup tool. Designed to be easy, fast, verifiable and efficient. ([Source Code](https://github.com/restic/restic))`BSD-2-Clause``Go`