LanguageTool
Open-source grammar, style, and spell checker for 30+ languages
LanguageTool is an open-source grammar and style checker that supports more than 30 languages, making it one of the most multilingual writing assistants available. It integrates with browsers, Microsoft Word, Google Docs, and LibreOffice to catch grammar mistakes, spelling errors, and stylistic issues in real time. Individual writers, multilingual teams, and enterprises use LanguageTool for its self-hosting option and strong data-privacy guarantees.
Key Features
- ✓30+ language support
- ✓Browser extension
- ✓Word/Docs integration
- ✓Style suggestions
- ✓Self-hostable
Quick Info
- Category
- AI Writing
- Pricing
- Freemium
More AI Writing Tools
Slick Write
AI WritingFree writing feedback tool that analyzes style, grammar, and flow
PaperRater
AI WritingAI-powered proofreading and plagiarism detection for students
Paraphraser.io
AI WritingAI paraphrasing and text rewriting tool with multiple modes
Reword
AI WritingAI writing tool that learns your brand voice to improve article quality