OpenSearchvsThesys
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenSearch | Thesys | |
|---|---|---|
| Score | 76/100 | 41/100 |
| Rank in category | #7 of 41 in Search Engines | #5 of 5 in Research |
| GitHub stars | 13 932 | 177 |
| Stars, last 30 days | +157 | +0 |
| Stable releases, 12 months | 11 | 5 |
| Latest release | 2.19.7 · 17 Oct 2026 | v0.4.0 · 23 Sept 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | No |
| License | Apache-2.0 | AGPL-3.0 |
| Main language | Java | Typescript |
Which one should you pick?
OpenSearch scores 76/100 against 41/100 for Thesys, so it is the safer default.
OpenSearch ships more often: 11 stable releases in the past year, against 5 for Thesys.
OpenSearch is growing faster right now (+157 stars in 30 days).
OpenSearch details →Thesys details →
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