Q: What is Déjà Dup used for?

A: Déjà Dup is a backup application for GNOME that helps users create and manage backups of their files on Unix-like systems. It supports encrypted backups and integrates with cloud storage services.

Q: Is Déjà Dup free to use?

A: Yes, Déjà Dup is free software distributed under terms that allow users to freely run, study, change, and distribute it.

Q: What platforms does Déjà Dup support?

A: Déjà Dup runs on Unix-like operating systems and is available for installation on various Linux distributions, including Fedora, Ubuntu, and Debian, as well as via Flathub and Snap.

Q: How do I install Déjà Dup?

A: Déjà Dup can be installed via package managers on supported Linux distributions (e.g., `sudo apt install deja-dup` on Ubuntu) or from Flathub using the Flathub client.

Q: Can I contribute to Déjà Dup?

A: Yes, Déjà Dup is open-source, and contributions are welcome. You can report issues, submit code, or help with translations on its GitLab repository.

Déjà Dup

simple backup app for GNOME

CreativeWork free_software Q130555797

Facts

19 properties

Instance of: free software, backup software^[2]
Inception: October 16, 2008^[14]
Official website: apps.gnome.org, dejadup.org^[16]^[17]
License: GNU General Public License v3.0 or later
Website: apps.gnome.org, dejadup.org
Programming language: Vala
Based on: Duplicity, Restic^[3]^[4]
Part of: GNOME Circle^[13]
Build system: Meson
Copyright license: GNU General Public License v3.0 or later^[5]
Copyright status: copyrighted
Distributed by: Flathub^[15]
GUI toolkit or framework: GTK, libadwaita^[18]^[19]
Official name: Déjà Dup Backups^[20]
Operating system: Unix-like operating system^[7]
Pro linux.de dbapp id: 15190
Programmed in: Vala^[6]
Software version identifier: 49.2 (47–49.2, n=5)^[8]^[9]^[10]^[11]^[12]
Version: 49.2 (47–49.2, n=5)

🏷️ Also known as

en Déjà Dup nl deja-dup

🔖 Identifiers · 33

Image (Wikimedia Commons): Déjà Dup 49.0 screenshot.png ↗
AUR package: deja-dup-git
Alpine Linux package: deja-dup
AlternativeTo software ID: deja-dup
Arch Linux package: deja-dup
Debian source package: deja-dup
Debian stable package: deja-dup
Fedora package: deja-dup
Flathub ID: org.gnome.DejaDup
Framalibre ID: déjà-dup, d%C3%A9j%C3%A0-dup
Free Software Directory entry: D_j_Dup
Gentoo package: app-backup/deja-dup

Show all 33 identifiers +21

Guix Variable Name: deja-dup
Issue tracker URL: gitlab.gnome.org
Launchpad.net project ID: deja-dup
Mageia package: deja-dup
Man page: deja-dup.1
Matrix room ID: #deja-dup:gnome.org
Nixpkgs ID: deja-dup
Official donation page URL: dejadup.org
Official forum URL: discourse.gnome.org
Open Hub ID: deja-dup
OpenBSD port: sysutils/deja-dup
OpenSUSE package: deja-dup
Parabola package: deja-dup
Privacy policy URL: dejadup.org
Pro-Linux.de DBApp ID: 15190
Repology project name: deja-dup
Snap package: deja-dup
Source code repository URL: gitlab.gnome.org
Terms of service URL: dejadup.org
Translation contribution URL: l10n.gnome.org
Ubuntu package: deja-dup

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

GUI toolkit or framework 2

GTK, libadwaita

Based on 1

Duplicity

Build system 1

Meson

Distributed by 1

Flathub

Instance of 1

free software

Operating system 1

Unix-like operating system

Programmed in 1

Vala

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Summary

Déjà Dup is a free software^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ Déjà Dup — instance of (P31): backup software. wikidata.org.
[3] ↑ Déjà Dup — based on (P144): Duplicity. wikidata.org.
[4] ↑ Déjà Dup — based on (P144): Restic. wikidata.org.
[5] ↑ Déjà Dup — copyright license (P275): GNU General Public License v3.0 or later. wikidata.org.
[6] ↑ Déjà Dup — programmed in (P277): Vala. wikidata.org.
[7] ↑ Déjà Dup — operating system (P306): Unix-like operating system. wikidata.org.
[8] ↑ Déjà Dup — software version identifier (P348): 47.0. gitlab.gnome.org. gitlab.gnome.org. Provenance: wikidata.org.
[9] ↑ Déjà Dup — software version identifier (P348): 48.4. gitlab.gnome.org. gitlab.gnome.org. Provenance: wikidata.org.
[10] ↑ Déjà Dup — software version identifier (P348): 49.0. gitlab.gnome.org. gitlab.gnome.org. Provenance: wikidata.org.
[11] ↑ Déjà Dup — software version identifier (P348): 49.1. gitlab.gnome.org. gitlab.gnome.org. Provenance: wikidata.org.
[12] ↑ Déjà Dup — software version identifier (P348): 49.2. gitlab.gnome.org. gitlab.gnome.org. Provenance: wikidata.org.
[13] ↑ Déjà Dup — part of (P361): GNOME Circle. wikidata.org.
[14] ↑ Déjà Dup — inception (P571): October 16, 2008. wikidata.org.
[15] ↑ Déjà Dup — distributed by (P750): Flathub. wikidata.org.
[16] ↑ Déjà Dup — official website (P856): https://apps.gnome.org/DejaDup/. wikidata.org.
[17] ↑ Déjà Dup — official website (P856): https://dejadup.org/. wikidata.org.
[18] ↑ Déjà Dup — GUI toolkit or framework (P1414): GTK. wikidata.org.
[19] ↑ Déjà Dup — GUI toolkit or framework (P1414): libadwaita. wikidata.org.
[20] ↑ Déjà Dup — official name (P1448): {'lang': 'en', 'text': 'Déjà Dup Backups'}. apps.gnome.org. apps.gnome.org. Provenance: wikidata.org.

Class ancestry

[1] ↑ Déjà Dup is an instance of free software (Q341) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Déjà Dup. Retrieved May 3, 2026, from https://4ort.xyz/entity/deja-dup

MLA “Déjà Dup.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/deja-dup.

BibTeX

@misc{4ortxyz_deja-dup_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Déjà Dup}}, year = {2026}, url = {https://4ort.xyz/entity/deja-dup}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Déjà Dup — https://4ort.xyz/entity/deja-dup (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/deja-dup · Last refreshed: May 3, 2026