Source: https://seerepo.com/r/open-metadata/OpenMetadata
Markdown source: https://seerepo.com/r/open-metadata/OpenMetadata.md
Description: open-metadata/OpenMetadata is a Java repo with 2,166,002 lines written. AI signed 8.8% of the 20,467 commits of OpenMetadata.

# What's inside open-metadata/OpenMetadata

open-metadata/OpenMetadata is a Java repo with 2,166,002 lines written. OpenMetadata is built with React, Vite, JAX-RS, and 19 more and uses Redis, Postgres, MySQL, and 2 more. AI signed 8.8% of the 20,467 commits of OpenMetadata.

Its description on GitHub: “The Open Context Layer for Data and AI ,  OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.”

Java · Apache-2.0 · 15,711 stars · GitHub: https://github.com/open-metadata/OpenMetadata

Read on November 7, 2026, at commit 3aaedca.

## More on this repo

- [What is OpenMetadata built with?](https://seerepo.com/r/open-metadata/OpenMetadata/built): OpenMetadata is built with React, Vite, JAX-RS, and 19 more and uses Redis, Postgres, MySQL, and 2 more.
- [How much of OpenMetadata did AI write?](https://seerepo.com/r/open-metadata/OpenMetadata/ai): AI signed 8.8% of the 20,467 commits of OpenMetadata.

## In figures

- 2,166,002 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 4,688 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 4,066 test files: The files that test the code.
- 99 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 open-metadata/OpenMetadata?

open-metadata/OpenMetadata is a Java repo with 2,166,002 lines written. Its description on GitHub: “The Open Context Layer for Data and AI ,  OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.”

The proof: [its page on GitHub](https://github.com/open-metadata/OpenMetadata)

### What is OpenMetadata built with?

OpenMetadata is built with React, Vite, JAX-RS, and 19 more and uses Redis, Postgres, MySQL, and 2 more.

The proof: [each service with its file and line](https://seerepo.com/r/open-metadata/OpenMetadata/built)

### How much of OpenMetadata did AI write?

AI signed 8.8% of the 20,467 commits of OpenMetadata.

The proof: [the commits each tool signed](https://seerepo.com/r/open-metadata/OpenMetadata/ai)

### What license does OpenMetadata have?

OpenMetadata is released under the Apache-2.0 license.

The proof: [its page on GitHub](https://github.com/open-metadata/OpenMetadata)

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

OpenMetadata had 15,711 stars on GitHub on November 7, 2026.

The proof: [its page on GitHub](https://github.com/open-metadata/OpenMetadata)

## Add this badge to your README

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

```markdown
[![open-metadata/OpenMetadata on SeeRepo](https://seerepo.com/badge/open-metadata/OpenMetadata.svg)](https://seerepo.com/r/open-metadata/OpenMetadata?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.