Back In Time vs Deja Dup

A side-by-side comparison of two self-hosted backup & recovery options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureBack In TimeDeja Dup
CategoryBackup & RecoveryBackup & Recovery
LicenseGPL-2.0GPL-3.0
LanguagePythonVala
Setup difficultyEasyEasy
Min. RAM128 MB256 MB
Deploymentbinarybinary
GitHub stars★ 2,641★ 600
First released20082008
ReplacesTime MachineTime Machine, Backblaze

Why pick each one

Choose Back In Time if…

  • Released under the GPL-2.0 license
  • Easy to set up — beginner-friendly
  • Active community (2.6k GitHub stars)
  • Written in Python
Back In Time details

Choose Deja Dup if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in Vala
  • Tiny footprint — runs in 256 MB RAM
Deja Dup details

Frequently asked questions

Is Back In Time or Deja Dup better?

Neither is universally better. Back In Time has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are Back In Time and Deja Dup free and open-source?

Yes. Back In Time is licensed under GPL-2.0 and Deja Dup under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Back In Time and Deja Dup with Docker?

Back In Time: check the project docs for container support. Deja Dup: check the project docs for container support.

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