OpenSearch license, foundation and stars
Search and vector 路 Apache 2.0 (open source) 路 OpenSearch Software Foundation 路 backed by AWS 路 13,775 stars
馃攷 Open source distributed and RESTful search engine.
License history
LICENSE fileApache 2.0 No license change recorded since the repository was created in 2021.
Where it came from
| Project | What | |
|---|---|---|
| Apr 12, 2021 | Elasticsearch | Apr 12, 2021: Forked from Elasticsearch 7.10.2. Source |
Latest release
3.8.0 published Aug 5, 2026
More in search and vector
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|---|---|---|---|---|
 ElasticsearchElasticAGPL v3 or SSPL or ELv2 | AGPL v3 or SSPL or ELv2changed Sep 2024 | 78k | +46 | v9.5.4Sep 15, 2026 |
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 MilvusLF AI & DataApache 2.0 | Apache 2.0 | 46.3k | +92 | v3.0.2Sep 20, 2026 |
 QdrantQdrantApache 2.0 | Apache 2.0 | 34.8k | +139 | v1.19.1Sep 4, 2026 |
 chromaApache 2.0 | Apache 2.0 | 29.4k | - | - |
 typesenseGPL-3.0 | GPL-3.0 | 26.6k | - | - |
 pgvectorNOASSERTION | NOASSERTION | 23.2k | - | - |
 sonicMPL 2.0 | MPL 2.0 | 21.4k | - | - |
About and history
- Repository
- opensearch-project/OpenSearch 路 created Jan 29, 2021
- Website
- opensearch.org/docs/latest/opensearch/index
- Language
- Java
- Foundation
- OpenSearch Software Foundation since Sep 16, 2024 路 source
- Company
- AWS 路 on Companies 路 on Acquisitions 路 on awards 路 on awards 路 on awards 路 on awards 路 on blogs 路 on certifications 路 on Attested 路 on Tier Zero 路 on Downtime 路 on Mainstage 路 on Mainstage 路 on Mainstage 路 on Leaders 路 on marketplaces 路 on papers 路 on Allied 路 on Paydays 路 on Metered 路 on Metered 路 on quotes 路 on Footprint 路 on Footprint 路 on Releases 路 on Nines 路 on Stories 路 on TechConf 路 on training 路 on Hotlist
- GitHub detects
- Apache-2.0
- Stars per week
- 41 (OSS Insight weekly star history, Aug 31 to Sep 21, 2026)
Weekly snapshots
| Week of | Stars | |
|---|---|---|
| Sep 21, 2026 | 13,775 |
Changes
| What changed | |
|---|---|
| Sep 24, 2026 | TrackedAdded: opensearch-project/OpenSearch |