Seafile vs Unison
A side-by-side comparison of two self-hosted file sync & storage options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Seafile
High-performance file sync and share with block storage
VS
Unison
Bidirectional file synchronizer with conflict detection
| Feature | Seafile | Unison |
|---|---|---|
| Category | File Sync & Storage | File Sync & Storage |
| License | AGPL-3.0 | GPL-3.0 |
| Language | C | OCaml |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 64 MB |
| Deployment | docker, bare-metal | bare-metal, binary |
| GitHub stars | ★ 15,077 | ★ 5,429 |
| First released | 2012 | 1999 |
| Replaces | Dropbox, Google Drive | Dropbox |
Why pick each one
Choose Seafile if…
- Excellent sync performance
- Stable and battle-tested
- Good for large libraries
Frequently asked questions
Is Seafile or Unison better?
Neither is universally better. Seafile has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Seafile and Unison free and open-source?
Yes. Seafile is licensed under AGPL-3.0 and Unison under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Seafile and Unison with Docker?
Seafile: yes. Unison: check the project docs for container support.