compare
OpenSearch vs ZincSearch
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | OpenSearch | ZincSearch |
|---|---|---|
| Language | Java | Go |
| Licence | Apache-2.0 | Other |
| Stars | 14k | 18k |
| Latest | 3.9.0 | v1.0.0-beta3 |
| Last push | 2026-10-06 | 2026-09-16 |
| Release cadence | about 43 days between releases | about 2 days between releases |
| Active contributors | 104 commit authors on the default branch in the last 90 days | 2 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Elasticsearch. Alternatives to Elasticsearch →
Full replacementOpenSearchFork of Elasticsearch 7.10.2, APIs have diverged since.
PartialZincSearchAccepts documents through a subset of Elasticsearch's ingestion API, in a single binary.
OpenSearch
- 3.9.02026-09-29Compatible with OpenSearch and OpenSearch Dashboards version 3.9.0
- 3.8.02026-08-05Compatible with OpenSearch and OpenSearch Dashboards version 3.8.0
- 2.19.62026-07-06Compatible with OpenSearch and OpenSearch Dashboards version 2.19.6
- 3.7.02026-06-09Compatible with OpenSearch and OpenSearch Dashboards version 3.7.0
- 3.6.02026-04-07Compatible with OpenSearch and OpenSearch Dashboards version 3.6.0
ZincSearch
- v1.0.0-beta32026-09-16fix: evict the cached credentials when a user is deleted
- v1.0.0-beta22026-09-15* chore: fix Contributing for updates
- v1.0.0-beta12026-09-13Refactoring underlying code and improving performance, updating the UI, etc.
- v0.4.112026-09-12Save old changes and versions
- v0.4.102024-01-14962a87d Support for go1.21 (#932)
OpenSearch
✓ signed The latest release, 3.9.0, carries a signature GitHub verified.
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ZincSearch
✓ signed The latest release, v1.0.0-beta3, carries a signature GitHub verified.
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