btrbk vs ZnapZend
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?
btrbk
Backup tool for Btrfs subvolume snapshots
VS
ZnapZend
ZFS-centric backup tool with mbuffer and ssh support
| Feature | btrbk | ZnapZend |
|---|---|---|
| Category | Backup & Recovery | Backup & Recovery |
| License | GPL-3.0 | GPL-3.0 |
| Language | Perl | Perl |
| Setup difficulty | Medium | Hard |
| Min. RAM | 64 MB | 128 MB |
| Deployment | bare-metal, binary | bare-metal |
| GitHub stars | ★ 2,125 | ★ 668 |
| First released | 2014 | 2014 |
| Replaces | Time Machine | Time Machine |
Why pick each one
Choose btrbk if…
- Released under the GPL-3.0 license
- Active community (2.1k GitHub stars)
- Written in Perl
- Tiny footprint — runs in 64 MB RAM
Choose ZnapZend if…
- Released under the GPL-3.0 license
- Written in Perl
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is btrbk or ZnapZend better?
btrbk is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider ZnapZend if its specific feature set fits your needs better.
Are btrbk and ZnapZend free and open-source?
Yes. btrbk is licensed under GPL-3.0 and ZnapZend under GPL-3.0. Both can be self-hosted at no software cost.
Can I run btrbk and ZnapZend with Docker?
btrbk: check the project docs for container support. ZnapZend: check the project docs for container support.