Duplicacy vs zrepl
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
zrepl
Automated ZFS snapshot replication and pruning
| Feature | Duplicacy | zrepl |
|---|---|---|
| Category | Backup & Recovery | Backup & Recovery |
| License | Proprietary | MIT |
| Language | Go | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 128 MB |
| Deployment | binary, docker | binary, bare-metal |
| GitHub stars | ★ 5,671 | ★ 1,151 |
| First released | 2016 | 2017 |
| Replaces | Backblaze, Carbonite | Veeam |
Why pick each one
Choose zrepl if…
- Released under the MIT license
- Active community (1.2k GitHub stars)
- Written in Go
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Duplicacy or zrepl 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 zrepl free and open-source?
Yes. Duplicacy is licensed under Proprietary and zrepl under MIT. Both can be self-hosted at no software cost.
Can I run Duplicacy and zrepl with Docker?
Duplicacy: yes. zrepl: check the project docs for container support.