Source: https://seerepo.com/r/opensearch-project/OpenSearch
Markdown source: https://seerepo.com/r/opensearch-project/OpenSearch.md
Description: opensearch-project/OpenSearch is a Java repo with 3,021,895 lines written. OpenSearch is built with JAX-RS, grpc-services, JetBrains, and 2 more.

# What's inside opensearch-project/OpenSearch

opensearch-project/OpenSearch is a Java repo with 3,021,895 lines written. OpenSearch is built with JAX-RS, grpc-services, JetBrains, and 2 more.

Its description on GitHub: “🔎 Open source distributed and RESTful search engine.”

Java · Apache-2.0 · 13,983 stars · GitHub: https://github.com/opensearch-project/OpenSearch

Read on November 9, 2026, at commit 2923a00.

## More on this repo

- [What is OpenSearch built with?](https://seerepo.com/r/opensearch-project/OpenSearch/built): OpenSearch is built with JAX-RS, grpc-services, JetBrains, and 2 more.
- [How much of OpenSearch did AI write?](https://seerepo.com/r/opensearch-project/OpenSearch/ai): No AI tool signed any of the 57,216 commits of OpenSearch.

## In figures

- 3,021,895 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 8,159 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 5,508 test files: The files that test the code.
- 67 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is opensearch-project/OpenSearch?

opensearch-project/OpenSearch is a Java repo with 3,021,895 lines written. Its description on GitHub: “🔎 Open source distributed and RESTful search engine.”

The proof: [its page on GitHub](https://github.com/opensearch-project/OpenSearch)

### What is OpenSearch built with?

OpenSearch is built with JAX-RS, grpc-services, JetBrains, and 2 more.

The proof: [each service with its file and line](https://seerepo.com/r/opensearch-project/OpenSearch/built)

### What license does OpenSearch have?

OpenSearch is released under the Apache-2.0 license.

The proof: [its page on GitHub](https://github.com/opensearch-project/OpenSearch)

### How many stars does OpenSearch have on GitHub?

OpenSearch had 13,983 stars on GitHub on November 9, 2026.

The proof: [its page on GitHub](https://github.com/opensearch-project/OpenSearch)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![opensearch-project/OpenSearch on SeeRepo](https://seerepo.com/badge/opensearch-project/OpenSearch.svg)](https://seerepo.com/r/opensearch-project/OpenSearch?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.