# Unison vs velld

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

| | Unison | velld |
|---|---|---|
| Score | 65/100 ✓ | 45/100 |
| Rank in category | #2 of 15 in File Sync | #39 of 46 in Backup |
| GitHub stars | 5 559 ✓ | 467 |
| Stars, last 30 days | +66 | — |
| Stable releases, 12 months | 2 ✓ | 0 |
| Latest release | v2.54.0 · 1 May 2026 | — |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | MIT |
| Main language | OCaml | Typescript |

## Which one should you pick?

Unison scores 65/100 against 45/100 for velld, so it is the safer default.

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

Unison is growing faster right now (+66 stars in 30 days).

## Details

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

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