Duplicati is a backup client that securely stores encrypted, incremental, compressed backups on local storage, cloud storage services and remote file servers. The Duplicati project was inspired by Duplicity and had similar functionality until 2008.

TimeShift for Linux is an application that provides functionality similar to the System Restore feature in Windows and Time Machine tool in Mac OS. TimeShift protects your system by taking incremental snapshots of file system at regular intervals.

restic is a program that does backups right. The design goals are: Easy, Fast, Verifiable, Secure, Efficient, Free.

A software product produced by Acronis that provides data protection including, backup, archive, access and recovery for Microsoft, macOS, iOS and Android operating systems.

BorgBackup (short: Borg) is a deduplicating backup program. Optionally, it supports compression and authenticated encryption.

UrBackup is a open source client/server backup system, that through a combination of image and file backups accomplishes both data safety and a fast restoration time.

Back In Time is a simple backup tool for Linux, inspired by "FlyBack project".

Rustic is a backup tool that provides fast, encrypted, deduplicated backups written in Rust. It reads and writes the restic repo format described in the design document and can be used as a restic replacement in most cases.

borgmatic is simple, configuration-driven backup software for servers and workstations. Protect your files with client-side encryption. Backup your databases too. Monitor it all with integrated third-party services.

Proxmox Backup Server is an enterprise backup solution, for backing up and restoring VMs, containers, and physical hosts. By supporting incremental, fully deduplicated backups, Proxmox Backup Server significantly reduces network load and saves valuable storage space.

Duplicity is a software suite that provides encrypted, digitally signed, versioned, remote backup of files requiring little of the remote server.

BackupPC is a high-performance, enterprise-grade system for backing up Linux, WinXX and MacOSX PCs and laptops to a server's disk. BackupPC is highly configurable and easy to install and maintain.