# Unison vs Zammad

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Unison | Zammad |
|---|---|---|
| Score | 65/100 | 70/100 ✓ |
| Rank in category | #2 of 15 in File Sync | #1 of 9 in Helpdesk |
| GitHub stars | 5 559 | 6 050 ✓ |
| Stars, last 30 days | +65 | +98 ✓ |
| Stable releases, 12 months | 2 ✓ | 0 |
| Latest release | v2.54.0 · 1 May 2026 | — |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | AGPL-3.0 |
| Main language | OCaml | Ruby |

## Which one should you pick?

Zammad scores 70/100 against 65/100 for Unison, so it is the safer default.

Unison ships more often: 2 stable releases in the past year, against 0 for Zammad.

If you want the quickest setup, Unison is easier to run; Zammad needs more configuration.

## Details

- [Unison](https://selfhost.directory/project/unison) (markdown: https://selfhost.directory/project/unison.md)
- [Zammad](https://selfhost.directory/project/zammad) (markdown: https://selfhost.directory/project/zammad.md)

---
Source: https://selfhost.directory/compare/unison-vs-zammad