Source: https://seerepo.com/r/apache/kafka
Markdown source: https://seerepo.com/r/apache/kafka.md
Description: apache/kafka is a Java repo with 1,645,019 lines written. kafka is built with JAX-RS. AI signed 0.5% of the 18,582 commits of kafka.

# What's inside apache/kafka

apache/kafka is a Java repo with 1,645,019 lines written. kafka is built with JAX-RS. AI signed 0.5% of the 18,582 commits of kafka.

Its description on GitHub: “Apache Kafka - A distributed event streaming platform”

Java · Apache-2.0 · 34,187 stars · GitHub: https://github.com/apache/kafka

Read on November 7, 2026, at commit ef6a6c1.

## More on this repo

- [What is kafka built with?](https://seerepo.com/r/apache/kafka/built): kafka is built with JAX-RS.
- [How much of kafka did AI write?](https://seerepo.com/r/apache/kafka/ai): AI signed 0.5% of the 18,582 commits of kafka.

## In figures

- 1,645,019 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 3,723 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 2,665 test files: The files that test the code.
- 3 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 apache/kafka?

apache/kafka is a Java repo with 1,645,019 lines written. Its description on GitHub: “Apache Kafka - A distributed event streaming platform”

The proof: [its page on GitHub](https://github.com/apache/kafka)

### What is kafka built with?

kafka is built with JAX-RS.

The proof: [each service with its file and line](https://seerepo.com/r/apache/kafka/built)

### How much of kafka did AI write?

AI signed 0.5% of the 18,582 commits of kafka.

The proof: [the commits each tool signed](https://seerepo.com/r/apache/kafka/ai)

### What license does kafka have?

kafka is released under the Apache-2.0 license.

The proof: [its page on GitHub](https://github.com/apache/kafka)

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

kafka had 34,187 stars on GitHub on November 7, 2026.

The proof: [its page on GitHub](https://github.com/apache/kafka)

## Add this badge to your README

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

```markdown
[![apache/kafka on SeeRepo](https://seerepo.com/badge/apache/kafka.svg)](https://seerepo.com/r/apache/kafka?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.