duplicity ☆
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Description:
Bandwidth-efficient encrypted backup
Type: Formula  |  Latest Version: 3.0.6.3@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Devops
Tags: backup encryption cloud-storage incremental cli
Install: brew install duplicity
About:
Duplicity is a command-line tool that creates encrypted and digitally signed backups using librsync for efficient incremental uploads. It supports various backends including local filesystem, SSH, FTP, and cloud storage services like S3 and Google Drive. Its primary value is enabling secure, space-efficient off-site backups over potentially insecure channels.
Key Features:
  • Incremental backups using librsync for bandwidth efficiency
  • GPG encryption for data security and signing for integrity verification
  • Supports multiple storage backends (S3, Azure, FTP, SFTP, WebDAV, etc.)
  • Volume snapshots and data de-duplication
Use Cases:
  • Automated encrypted off-site backups for servers and personal computers
  • Securely syncing sensitive data to cloud storage providers
  • Creating restorable versioned backups of critical system data
Alternatives:
  • restic – Written in Go, generally faster, supports snapshots but uses a different repository model
  • rsync – Faster for local/network sync but lacks built-in encryption and versioning
  • borgbackup – Focuses on deduplication and local repositories, typically requires SSH for remote backups
License: GPL-2.0-or-later
Dependencies: certifi, gnupg, librsync, libsodium, libyaml, openssl@3, python@3.14
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, sonoma, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Dec 14, 2025 12:03am 0 VERSION_BUMP 142d9851
Dec 13, 2025 4:12pm 0 VERSION_BUMP 549e9bca
Dec 6, 2025 2:17am 1 VERSION_BUMP 06b3f4d5
Nov 4, 2025 5:40am 0 VERSION_BUMP 9b88f220
Oct 14, 2025 7:35am 0 VERSION_BUMP 24b7e1f7
Sep 14, 2025 9:24pm 0 VERSION_BUMP c9347fe3
Dec 18, 2024 8:23pm 0 VERSION_BUMP 39c2f768
Nov 17, 2024 4:55pm 1 VERSION_BUMP 577b743b
Oct 12, 2024 5:36pm 1 VERSION_BUMP f8513bd2
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