LanguageTool
Open-source grammar checker supporting 30+ languages
LanguageTool is a free, community-driven grammar and style checker supporting multiple languages. It detects errors missed by other tools and offers premium features for advanced checking, including AI-powered suggestions.
| Pricing from | Free (Premium $10/month) |
| Best for | Multi-language users, developers, and privacy-conscious writers seeking open-source solutions |
| Website | languagetool.org |
Strengths and trade-offs
- Completely free tier covers comprehensive grammar and style checking in 30+ languages
- Privacy-focused with no tracking; source code is fully transparent and open
- Fewer integrations with popular platforms compared to proprietary tools
- Premium features are less advanced than Grammarly's AI-driven suggestions
Appears in
Alternatives to LanguageTool
 Grammarly | #1 in Top 10 AI Grammar Checkers | 95.0 |
 ProWritingAidThe writer's toolkit with in-depth editing analytics | #2 in Top 10 AI Grammar Checkers | 92.7 |
 Microsoft EditorAI-powered writing assistance built into Microsoft 365 | #3 in Top 10 AI Grammar Checkers | 90.3 |
 Hemingway Editor | #4 in Top 10 AI Grammar Checkers | 88.0 |
 WhiteSmokeAI writing assistant with advanced language models | #5 in Top 10 AI Grammar Checkers | 85.7 |
 Ginger SoftwareIntelligent writing assistant with contextual understanding | #7 in Top 10 AI Grammar Checkers | 81.0 |
Questions about LanguageTool
How much does LanguageTool cost?
Lister lists LanguageTool's pricing as: Free (Premium $10/month).
Is LanguageTool free?
Yes. Its pricing reads: Free (Premium $10/month).
Who is LanguageTool best for?
LanguageTool is best for multi-language users, developers, and privacy-conscious writers seeking open-source solutions.
Where does LanguageTool rank?
LanguageTool is ranked #6 in Top 10 AI Grammar Checkers (Lister Score 83.3).
What are the best alternatives to LanguageTool?
The closest alternatives on Lister are Grammarly (#1 in Top 10 AI Grammar Checkers), ProWritingAid (#2 in Top 10 AI Grammar Checkers) and Microsoft Editor (#3 in Top 10 AI Grammar Checkers).
Is this your company?
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