Source: https://seerepo.com/r/languagetool-org/languagetool
Markdown source: https://seerepo.com/r/languagetool-org/languagetool.md
Description: languagetool-org/languagetool is a Java repo with 284,457 lines written. languagetool uses MySQL and Redis.

# What's inside languagetool-org/languagetool

languagetool-org/languagetool is a Java repo with 284,457 lines written. languagetool uses MySQL and Redis.

Its description on GitHub: “Style and Grammar Checker for 25+ Languages”

Java · LGPL-2.1 · 15,238 stars · GitHub: https://github.com/languagetool-org/languagetool

Read on November 8, 2026, at commit 108f354.

## More on this repo

- [What is languagetool built with?](https://seerepo.com/r/languagetool-org/languagetool/built): languagetool uses MySQL and Redis.
- [How much of languagetool did AI write?](https://seerepo.com/r/languagetool-org/languagetool/ai): No AI tool signed any of the 79,137 commits of languagetool.

## In figures

- 284,457 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 1,277 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 757 test files: The files that test the code.
- 25 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 languagetool-org/languagetool?

languagetool-org/languagetool is a Java repo with 284,457 lines written. Its description on GitHub: “Style and Grammar Checker for 25+ Languages”

The proof: [its page on GitHub](https://github.com/languagetool-org/languagetool)

### What is languagetool built with?

languagetool uses MySQL and Redis.

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

### What license does languagetool have?

languagetool is released under the LGPL-2.1 license.

The proof: [its page on GitHub](https://github.com/languagetool-org/languagetool)

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

languagetool had 15,238 stars on GitHub on November 8, 2026.

The proof: [its page on GitHub](https://github.com/languagetool-org/languagetool)

## Add this badge to your README

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

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