languagetool
Open-source-based checking for English and many other languages, with a self-host option for privacy..
what it does
Open-source-based checking for English and many other languages, with a self-host option for privacy. On this site it is listed for grammar checker, where it earned its place as: best multilingual and private. Like every listing here, the description is written by us from hands-on use, and the pricing label is the general model, not a copied sales line. It is 1 of 85 apps we have checked so far, across 25 task guides.
pricing, in plain words
Free use is real but limited: you can start and test it without paying, and a paid plan gives you more usage, higher quality, or advanced features. Prices and limits change, so confirm the current numbers on the official site before you buy.
found on these task pages
alternatives worth trying
Same task, different strengths. Each was checked on the same work.
| tool | pricing | why pick it instead |
|---|---|---|
| Grammarly | Freemium | best everywhere you type |
| QuillBot | Freemium | best checker plus paraphraser |
| ProWritingAid | Freemium | best for book writers |
questions people ask
Is LanguageTool free to use?
LanguageTool is listed here as freemium. Free use is real but limited: you can start and test it without paying, and a paid plan gives you more usage, higher quality, or advanced features. Prices and limits change, so confirm the current numbers on the official site before you buy.