Duplicacy 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?
Duplicacy
Lock-free deduplication cloud backup tool
VS
Duplicity
Encrypted bandwidth-efficient backup using rsync
| Feature | Duplicacy | Duplicity |
|---|---|---|
| Category | Backup & Recovery | Backup & Recovery |
| License | Proprietary | GPL-2.0 |
| Language | Go | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 128 MB |
| Deployment | binary, docker | binary, bare-metal |
| GitHub stars | ★ 5,671 | ★ 300 |
| First released | 2016 | 2002 |
| Replaces | Backblaze, Carbonite | CrashPlan, Backblaze |
Why pick each one
Choose Duplicity if…
- Released under the GPL-2.0 license
- Written in Python
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Duplicacy or Duplicity better?
Neither is universally better. Duplicacy has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Duplicacy and Duplicity free and open-source?
Yes. Duplicacy is licensed under Proprietary and Duplicity under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Duplicacy and Duplicity with Docker?
Duplicacy: yes. Duplicity: check the project docs for container support.