Duplicity
The facts below are what the maker publishes about Duplicity, checked and dated. Our editors have not written about it yet.
Plans and prices
From Duplicity's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Duplicity | Free | GPL free software · POSIX-like operating system required |
The facts
Each one read from Duplicity's own pages, with the date it was checked.
What it does
- Archive format
- Backup data uses GNU tar format and deltas use the format produced by librsync's rdiff utility.checked 12 Oct 2026
- Availability and license
- The project says its code is GPL free software and that Duplicity is included in Fedora, Debian, and Ubuntu distributions of GNU/Linux.checked 12 Oct 2026
- Backup scope
- filechecked 20 Sep 2026
- Command line
- Duplicity is a command-line utility, with documented commands for backup, restore, and excluding directories.checked 12 Oct 2026
- Command-line interface
- Duplicity is a command-line utility, with examples for backing up over SSH/SCP and FTP and restoring from a remote backup.checked 12 Oct 2026
- Computer backup
- Yeschecked 20 Sep 2026
- Current release
- The site lists version 3.2.1, released September 28, 2026, with installation options including snap, pip, PPA, and Git.checked 12 Oct 2026
- Encryption and signing
- Duplicity can encrypt and sign archives with GnuPG, and changes to archives on the remote side are detected during restore.checked 12 Oct 2026
- File support
- Duplicity supports deleted files, Unix permissions, directories, symbolic links, FIFOs, and device files, but not hard links.checked 12 Oct 2026
- Incremental backups
- After the initial full archive, incremental archives record only file parts changed since the last backup.checked 12 Oct 2026
- Installation
- The site lists installation through stable or edge Snap builds, pip3, PPAs, or the Git repository.checked 12 Oct 2026
- License
- The site says all Duplicity code is GPL free software and notes inclusion in Fedora, Debian, and Ubuntu distributions.checked 12 Oct 2026
- Operating system
- Duplicity requires a POSIX-like operating system and the maker says it is best used under GNU/Linux.checked 12 Oct 2026
- Purpose
- Duplicity backs directories by producing encrypted tar-format volumes and uploading them to a remote or local file server.checked 12 Oct 2026
- Recovery limit
- The FAQ says recovery becomes inefficient over long incremental chains and recommends keeping incrementals to a maximum of one month before a full backup.checked 12 Oct 2026
- Recovery tradeoff
- The FAQ says recovery is inefficient over long incremental chains and recommends keeping incrementals to a maximum of one month before a full backup.checked 12 Oct 2026
- Release
- The site identifies version 3.2.1, released September 28, 2026, as the current release.checked 12 Oct 2026
- Restore modes
- filechecked 20 Sep 2026
- Storage backends
- The project lists backends including Amazon S3, Backblaze B2, Dropbox, Google Drive, Microsoft Azure, rclone, rsync, SSH/SCP, Tahoe-LAFS, and WebDAV.checked 12 Oct 2026
- Storage efficiency
- Using the rsync algorithm, incremental backups send and store only changed parts of files.checked 12 Oct 2026
- Support
- The site directs questions to its mailing list and bug reports or fixes to the GitLab project.checked 12 Oct 2026
- Support and development
- The maker directs users with questions to its mailing list and accepts bug reports and fixes through its GitLab project.checked 12 Oct 2026
Money
- Free plan
- Nochecked 20 Sep 2026
Where it runs
- Supported platforms
- macos,linuxchecked 20 Sep 2026
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