Kup 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?
Kup
KDE backup scheduler for personal files
VS
ZnapZend
ZFS-centric backup tool with mbuffer and ssh support
| Feature | Kup | ZnapZend |
|---|---|---|
| Category | Backup & Recovery | Backup & Recovery |
| License | GPL-2.0 | GPL-3.0 |
| Language | C++ | Perl |
| Setup difficulty | Easy | Hard |
| Min. RAM | 128 MB | 128 MB |
| Deployment | binary | bare-metal |
| GitHub stars | ★ 100 | ★ 668 |
| First released | 2012 | 2014 |
| Replaces | Time Machine | Time Machine |
Why pick each one
Choose Kup if…
- Released under the GPL-2.0 license
- Easy to set up — beginner-friendly
- Written in C++
- Tiny footprint — runs in 128 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 Kup or ZnapZend better?
Neither is universally better. ZnapZend has the larger community, while Kup is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Kup and ZnapZend free and open-source?
Yes. Kup is licensed under GPL-2.0 and ZnapZend under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Kup and ZnapZend with Docker?
Kup: check the project docs for container support. ZnapZend: check the project docs for container support.