Freemium· Free basic, $4.99/month premium
LanguageTool
An open-source grammar, style, and spell checker.
⊞Windows⌘macOS◇Web
Basic Info
PricingFree basic, $4.99/month premium
PlatformsWindows, macOS, Web
CategoriesWriting
Open SourceYes
Offline SupportYes
Account RequiredNo
Free TrialNo
Last Checked2026-05-22
Ownership & Dependency
Ownership
HIGH
Cloud Dependency
LOW
Last Checked
2026-05-22
Best For
WritersStudentsPrivacy-conscious users
Pros
- +Open source
- +Works offline
- +Supports many languages
- +Browser extension
Cons
- −Less accurate than Grammarly
- −Fewer style suggestions
- −Premium features limited