# cozystack vs OpenSearch

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

| | cozystack | OpenSearch |
|---|---|---|
| Score | 67/100 | 76/100 ✓ |
| Rank in category | #6 of 14 in Platform as a Service | #7 of 41 in Search Engines |
| GitHub stars | 2 376 | 13 927 ✓ |
| Stars, last 30 days | +139 | +152 ✓ |
| Stable releases, 12 months | 12 ✓ | 11 |
| Latest release | v1.6.4 · 16 Oct 2026 | 2.19.7 · 17 Oct 2026 ✓ |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Go | Java |

## Which one should you pick?

OpenSearch scores 76/100 against 67/100 for cozystack, so it is the safer default.

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

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

## Details

- [cozystack](https://selfhost.directory/project/cozystack) (markdown: https://selfhost.directory/project/cozystack.md)
- [OpenSearch](https://selfhost.directory/project/opensearch) (markdown: https://selfhost.directory/project/opensearch.md)

---
Source: https://selfhost.directory/compare/cozystack-vs-opensearch