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LanguageTool

Self-hostable grammar & style checker (Grammarly alternative)

provisional — pending verificationLGPL-2.1 (core)self-hostable

Value Index

4.0 / 5

Transparency4

Value density4

Privacy5

Efficiency3

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Why it's listed

LanguageTool is listed in writing & grammar tools because it competes on utility: self-hostable grammar & style checker (grammarly alternative). Its funding model is disclosed on the listing. Licensed LGPL-2.1 (core); pricing: free (ce) / paid premium. Its resource footprint is reasonable for what it does, though not featherweight. This entry is provisional — the scores are seeded estimates pending our full manual rubric pass, and the verification date will appear here once complete.

Facts

License: LGPL-2.1 (core)
Pricing: Free (CE) / paid premium
Funding model: Commercial OSS
Self-hostable: Yes — deploy difficulty: medium
Replaces: Grammarly
Verification: Provisional — scores are seeded estimates pending manual verification

Evidence notes

Java; premium rules proprietary

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Spotted a problem — trackers added, dark patterns, abandonment? Report a violation. Scores change when evidence does.