# OpenSearch vs rsyslog

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

| | OpenSearch | rsyslog |
|---|---|---|
| Score | 76/100 ✓ | 67/100 |
| Rank in category | #7 of 41 in Search Engines | #2 of 8 in Logging |
| GitHub stars | 13 920 ✓ | 2 343 |
| Stars, last 30 days | +155 ✓ | +7 |
| Stable releases, 12 months | 11 ✓ | 4 |
| Latest release | 2.19.7 · 17 Oct 2026 | v8.2610.0 · 20 Oct 2026 ✓ |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | LGPL-3.0 |
| Main language | Java | C |

## Which one should you pick?

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

OpenSearch ships more often: 11 stable releases in the past year, against 4 for rsyslog.

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

OpenSearch is growing faster right now (+155 stars in 30 days).

## Details

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

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