bup vs ElkarBackup alt Snapper
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?
bup
Efficient backup system based on the git packfile format
VS
ElkarBackup alt Snapper
Btrfs snapshot management tool with rollback
| Feature | bup | ElkarBackup alt Snapper |
|---|---|---|
| Category | Backup & Recovery | Backup & Recovery |
| License | LGPL-2.1 | GPL-2.0 |
| Language | Python | C++ |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 64 MB |
| Deployment | binary | bare-metal |
| GitHub stars | ★ 7,337 | ★ 1,158 |
| First released | 2010 | 2011 |
| Replaces | Time Machine | Time Machine |
Why pick each one
Choose bup if…
- Released under the LGPL-2.1 license
- Mature project with 7.3k GitHub stars
- Written in Python
- Tiny footprint — runs in 128 MB RAM
Choose ElkarBackup alt Snapper if…
- Released under the GPL-2.0 license
- Active community (1.2k GitHub stars)
- Written in C++
- Tiny footprint — runs in 64 MB RAM
Frequently asked questions
Is bup or ElkarBackup alt Snapper better?
Neither is universally better. bup has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are bup and ElkarBackup alt Snapper free and open-source?
Yes. bup is licensed under LGPL-2.1 and ElkarBackup alt Snapper under GPL-2.0. Both can be self-hosted at no software cost.
Can I run bup and ElkarBackup alt Snapper with Docker?
bup: check the project docs for container support. ElkarBackup alt Snapper: check the project docs for container support.