# Flagsmith vs OpenSearch

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

| | Flagsmith | OpenSearch |
|---|---|---|
| Score | 73/100 | 76/100 ✓ |
| Rank in category | #2 of 8 in Feature Flags | #7 of 41 in Search Engines |
| GitHub stars | 6 630 | 13 929 ✓ |
| Stars, last 30 days | +61 | +154 ✓ |
| Stable releases, 12 months | 68 ✓ | 11 |
| Latest release | v2.288.2 · 29 Oct 2026 ✓ | 2.19.7 · 17 Oct 2026 |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | BSD-3-Clause | Apache-2.0 |
| Main language | Python | Java |

## Which one should you pick?

OpenSearch scores 76/100 against 73/100 for Flagsmith, so it is the safer default.

Flagsmith ships more often: 68 stable releases in the past year, against 11 for OpenSearch.

OpenSearch is growing faster right now (+154 stars in 30 days).

## Details

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

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