# elasticsearch vs zookeeper

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

| | elasticsearch | zookeeper |
|---|---|---|
| Score | 84/100 ✓ | 73/100 |
| Rank in category | #2 of 41 in Search Engines | #1 of 8 in Configuration Management |
| GitHub stars | 78 428 ✓ | 12 827 |
| Stars, last 30 days | +448 ✓ | +16 |
| Stable releases, 12 months | 32 ✓ | 0 |
| Latest release | v9.5.5 · 6 Oct 2026 | — |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes ✓ | No |
| License | Other | Apache-2.0 |
| Main language | Java | Java |

## Which one should you pick?

elasticsearch scores 84/100 against 73/100 for zookeeper, so it is the safer default.

elasticsearch ships more often: 32 stable releases in the past year, against 0 for zookeeper.

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

elasticsearch is growing faster right now (+448 stars in 30 days).

## Details

- [elasticsearch](https://selfhost.directory/project/elasticsearch) (markdown: https://selfhost.directory/project/elasticsearch.md)
- [zookeeper](https://selfhost.directory/project/zookeeper) (markdown: https://selfhost.directory/project/zookeeper.md)

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Source: https://selfhost.directory/compare/elasticsearch-vs-zookeeper