# ILIAS vs OpenSearch

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

| | ILIAS | OpenSearch |
|---|---|---|
| Score | 61/100 | 76/100 ✓ |
| Rank in category | #4 of 14 in Learning Management System | #7 of 41 in Search Engines |
| GitHub stars | 505 | 13 930 ✓ |
| Stars, last 30 days | +-1 | +155 ✓ |
| Stable releases, 12 months | 22 ✓ | 11 |
| Latest release | v11.5 · 6 Oct 2026 | 2.19.7 · 17 Oct 2026 ✓ |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | Apache-2.0 |
| Main language | PHP | Java |

## Which one should you pick?

OpenSearch scores 76/100 against 61/100 for ILIAS, so it is the safer default.

ILIAS ships more often: 22 stable releases in the past year, against 11 for OpenSearch.

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

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

## Details

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

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