# logstash vs Unison

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

| | logstash | Unison |
|---|---|---|
| Score | 72/100 ✓ | 65/100 |
| Rank in category | #1 of 8 in Data Pipeline | #2 of 15 in File Sync |
| GitHub stars | 14 969 ✓ | 5 559 |
| Stars, last 30 days | +18 | +65 ✓ |
| Stable releases, 12 months | 32 ✓ | 2 |
| Latest release | v9.5.5 · 6 Oct 2026 ✓ | v2.54.0 · 1 May 2026 |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | Yes ✓ | No |
| License | Other | GPL-3.0 |
| Main language | Java | OCaml |

## Which one should you pick?

logstash scores 72/100 against 65/100 for Unison, so it is the safer default.

logstash ships more often: 32 stable releases in the past year, against 2 for Unison.

Unison is growing faster right now (+65 stars in 30 days).

## Details

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

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