Project Title

languagetool — Open Source Proofreading Software for 25+ Languages

Overview

LanguageTool is an open-source proofreading software that supports over 25 languages, including English, Spanish, French, German, and more. It is designed to find errors that a simple spell checker cannot detect, making it a powerful tool for improving the quality of written content. LanguageTool stands out for its extensive language support and its ability to detect complex grammatical errors.

Key Features

Supports over 25 languages for grammar and style checking
Finds errors that simple spell checkers miss
Open-source and freely available under LGPL 2.1 or later
Provides HTTP API for easy integration into other applications

Use Cases

Content creators and writers use LanguageTool to ensure their work is free of grammatical errors and stylistic inconsistencies.
Educational institutions can use LanguageTool to help students improve their writing skills.
Businesses can integrate LanguageTool into their content management systems to maintain a high standard of written communication.

Advantages

Extensive language support, making it a versatile tool for global use
Open-source nature allows for community contributions and improvements
API availability for easy integration with other tools and platforms

Limitations / Considerations

Requires Java 17 and Apache Maven for building from source
A complete clone of the repository requires a significant amount of disk space (over 1500 MB)

Grammarly: A popular grammar checking tool with a user-friendly interface, but it is not open-source.
After the Deadline: An open-source proofreading service that was integrated into WordPress, but it supports fewer languages than LanguageTool.

Basic Information

GitHub: https://github.com/languagetool-org/languagetool
Stars: 13,455
License: LGPL 2.1 or later
Last Commit: 2025-08-20

📊 Project Information

Project Name: languagetool
GitHub URL: https://github.com/languagetool-org/languagetool
Programming Language: Java
⭐ Stars: 13,455
🍴 Forks: 1,453
📅 Created: 2013-08-08
🔄 Last Updated: 2025-08-20

🏷️ Project Topics

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📚 Documentation

This article is automatically generated by AI based on GitHub project information and README content analysis

languagetool

Project Description