CKAN vs Duplicity

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?
FeatureCKANDuplicity
CategoryBackup & RecoveryBackup & Recovery
LicenseAGPL-3.0GPL-2.0
LanguagePythonPython
Setup difficultyMediumMedium
Min. RAM512 MB128 MB
Deploymentbare-metalbinary, bare-metal
GitHub stars★ 5,088★ 300
First released20262002
ReplacesCrashPlan, Backblaze

Why pick each one

Choose CKAN if…

  • Released under the AGPL-3.0 license
  • Mature project with 5.1k GitHub stars
  • Written in Python
  • Lightweight — runs in 512 MB RAM
CKAN details

Choose Duplicity if…

  • Released under the GPL-2.0 license
  • Written in Python
  • Tiny footprint — runs in 128 MB RAM
Duplicity details

Frequently asked questions

Is CKAN or Duplicity better?

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

Are CKAN and Duplicity free and open-source?

Yes. CKAN is licensed under AGPL-3.0 and Duplicity under GPL-2.0. Both can be self-hosted at no software cost.

Can I run CKAN and Duplicity with Docker?

CKAN: check the project docs for container support. Duplicity: check the project docs for container support.

Related comparisons