UnisonvsZammad
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.
Unison details →Zammad details →