- [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`
- [Amanda](https://www.amanda.org/) - Backup and archive many computers on a network to disk, tape changer/drive or cloud storage. ([Source Code](https://github.com/zmanda/amanda)) `MIT``C`
- [Backupninja](https://0xacab.org/liberate/backupninja) - Lightweight, extensible meta-backup system, provides a centralized way to configure and
coordinate many different backup utilities. `GPL-2.0``Shell`
- [BackupPC](https://backuppc.github.io/backuppc/) - High-performance, enterprise-grade system for backing up to a server's disk.. ([Source Code](https://github.com/backuppc/backuppc)) `GPL-3.0``Perl`
- [Bareos](https://www.bareos.org/) - Cross-network backup solution which preserves, archives, and recovers data from all major operating systems. ([Source Code](https://github.com/bareos/bareos)) `AGPL-3.0``C++/C`
- [Barman](https://pgbarman.org) - Backup and Recovery Manager for PostgreSQL. ([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)) `BSD-3-Clause``Python`
- [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++`
- [Duplicati](https://www.duplicati.com) - Backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. ([Source Code](https://github.com/duplicati/duplicati)) `LGPL-2.1``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)) `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`
- [rclone](https://rclone.org/) - Command-line program to sync files and directories to and from different cloud storage providers.. ([Source Code](https://github.com/rclone/rclone)) `MIT``Go`
- [Rdiff-backup](https://rdiff-backup.net/) - Reverse differential backup tool, over a network or locally. ([Source Code](https://github.com/rdiff-backup/rdiff-backup)) `GPL-2.0``Python`