Apps with 'Deduplicated Backup' feature

Kopia is a fast and secure open-source backup/restore tool that manages filesystem snapshots in a remote storage. It features client-side encryption, compression, backup policies. command-line interface and more.

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

An open-source backup and restore platform built for modern workloads. It offers encrypted, deduplicated, and instantly recoverable snapshots across file systems, object stores and cloud environments.

Zmanda is an enterprise data backup, recovery, and resilience platform that protects data across cloud, hybrid, and on-premises environments.