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.