LanguageTool

LanguageTool is a comprehensive open-source proofreading application that goes far beyond basic spell-checking to identify grammatical, stylistic, and punctuation errors in over 25 languages. Distributed under the LGPL 2.1 license with 14,000+ GitHub stars and contributions from 214+ developers, LanguageTool has established itself as the leading open-source alternative to proprietary grammar checking services. With support for English, Spanish, French, German, Portuguese, Polish, Dutch, and many other languages, it provides multilingual proofreading capabilities for global teams and applications.

Common Use Cases

Content creators and technical writers integrate LanguageTool into their editing workflows to maintain professional writing standards across documentation, blog posts, and marketing materials in multiple languages. Development teams embed LanguageTool's HTTP API into content management systems, email platforms, and collaborative editing tools to provide real-time grammar checking for users. Educational institutions deploy LanguageTool servers to help students improve their writing in various languages without relying on cloud-based services that may compromise privacy. Companies in regulated industries use self-hosted LanguageTool to ensure sensitive document content never leaves their infrastructure while maintaining high-quality writing standards.

Key Features

• Support for 25+ languages including English, Spanish, French, German, and more
• Advanced grammar and style checking beyond simple spell correction
• RESTful HTTP API for easy integration into applications and workflows
• N-gram language model support for improved detection of confused words
• Punctuation and capitalization error detection
• Configurable Java heap size for performance optimization
• No cloud dependencies - all processing happens locally
• Active development with regular updates and improvements
• Command-line, GUI, and server deployment options
• Open-source with LGPL 2.1 license for commercial use

Why deploy LanguageTool on Hostinger VPS

Deploying LanguageTool on a Hostinger VPS ensures your written content and documents remain completely private, never leaving your infrastructure for processing by third-party cloud services. With dedicated resources and configurable memory allocation, LanguageTool on VPS handles multiple concurrent grammar checking requests efficiently, making it suitable for team-wide deployments and application integrations. Hostinger VPS provides the computational power needed for n-gram language models that significantly improve error detection accuracy, with persistent storage for custom dictionaries and language model data. This makes Hostinger VPS ideal for organizations requiring privacy-focused, high-performance grammar checking infrastructure.