languagetool
https://github.com/languagetool-org/languagetool
Java
Style and Grammar Checker for 25+ Languages
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- Issues
- [en] phrase not found
- Deleted rules still appear in nightly diffs — 2026-01-29
- Safari extension make any input field super slow and laggy when many tabs open
- Update the six variants of the English dictionaries — 2026-02-01
- LtBuildInfo can fail to read git.properties
- Thunderbird: local server not working
- [FR] Grammar Error: Incorrect Verb Agreement with "En effet, [Plural Noun] et moi" (1st Person Plural Subject)
- Rule appears as temp_off — 2025-07-19
- Space after opening quote is not flagged: “ How long will this take?”
- CTRL+L is a pain when we use terminals
- Docs
- Java not yet supported