# OpenSearch vs Zot Registry

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

| | OpenSearch | Zot Registry |
|---|---|---|
| Score | 76/100 ✓ | 64/100 |
| Rank in category | #7 of 41 in Search Engines | #3 of 12 in Container Registry |
| GitHub stars | 13 922 ✓ | 2 919 |
| Stars, last 30 days | +157 ✓ | +120 |
| Stable releases, 12 months | 11 | 12 ✓ |
| Latest release | 2.19.7 · 17 Oct 2026 ✓ | v2.1.22 · 6 Oct 2026 |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Java | Go |

## Which one should you pick?

OpenSearch scores 76/100 against 64/100 for Zot Registry, so it is the safer default.

Zot Registry ships more often: 12 stable releases in the past year, against 11 for OpenSearch.

## Details

- [OpenSearch](https://selfhost.directory/project/opensearch) (markdown: https://selfhost.directory/project/opensearch.md)
- [Zot Registry](https://selfhost.directory/project/zot-registry) (markdown: https://selfhost.directory/project/zot-registry.md)

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Source: https://selfhost.directory/compare/opensearch-vs-zot-registry