Kopia 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?
Kopia
Fast, encrypted backup with a clean interface
VS
zrepl
Automated ZFS snapshot replication and pruning
| Feature | Kopia | zrepl |
|---|---|---|
| Category | Backup & Recovery | Backup & Recovery |
| License | Apache-2.0 | MIT |
| Language | Go | Go |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 128 MB |
| Deployment | binary, docker | binary, bare-metal |
| GitHub stars | ★ 13,798 | ★ 1,151 |
| First released | 2019 | 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 Kopia or zrepl better?
Kopia is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider zrepl if its specific feature set fits your needs better.
Are Kopia and zrepl free and open-source?
Yes. Kopia is licensed under Apache-2.0 and zrepl under MIT. Both can be self-hosted at no software cost.
Can I run Kopia and zrepl with Docker?
Kopia: yes. zrepl: check the project docs for container support.