Source: https://seerepo.com/r/apache/pulsar
Markdown source: https://seerepo.com/r/apache/pulsar.md
Description: apache/pulsar is a Java repo with 1,232,950 lines written. pulsar is built with JAX-RS, grpc-bom, javax.ws.rs-api, and 21 more.

# What's inside apache/pulsar

apache/pulsar is a Java repo with 1,232,950 lines written. pulsar is built with JAX-RS, grpc-bom, javax.ws.rs-api, and 21 more. AI signed 0.2% of the 15,517 commits of pulsar.

Its description on GitHub: “Apache Pulsar - distributed pub-sub messaging system”

Java · Apache-2.0 · 15,359 stars · GitHub: https://github.com/apache/pulsar

Read on November 8, 2026, at commit 1b6377e.

## More on this repo

- [What is pulsar built with?](https://seerepo.com/r/apache/pulsar/built): pulsar is built with JAX-RS, grpc-bom, javax.ws.rs-api, and 21 more.
- [How much of pulsar did AI write?](https://seerepo.com/r/apache/pulsar/ai): AI signed 0.2% of the 15,517 commits of pulsar.

## In figures

- 1,232,950 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 2,913 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 2,292 test files: The files that test the code.
- 66 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/pulsar?

apache/pulsar is a Java repo with 1,232,950 lines written. Its description on GitHub: “Apache Pulsar - distributed pub-sub messaging system”

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

### What is pulsar built with?

pulsar is built with JAX-RS, grpc-bom, javax.ws.rs-api, and 21 more.

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

### How much of pulsar did AI write?

AI signed 0.2% of the 15,517 commits of pulsar.

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

### What license does pulsar have?

pulsar is released under the Apache-2.0 license.

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

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

pulsar had 15,359 stars on GitHub on November 8, 2026.

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

## Add this badge to your README

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

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