languagetool ☆
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Description:
Style and grammar checker
Type: Formula  |  Latest Version: 6.3@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @LanguageTool  |  formulae.brew.sh
Category: Productivity
Tags: grammar nlp writing proofreading linter
Install: brew install languagetool
About:
LanguageTool is an open-source grammar and style checker that supports over 30 languages. It provides advanced suggestions for spelling, grammar, and phrasing, functioning as a powerful alternative to proprietary tools like Grammarly. The software can be used as a standalone application, browser extension, or integrated into various editors.
Key Features:
  • Multi-language support for over 30 languages
  • Advanced grammar, style, and spelling detection
  • Open-source and self-hostable
  • Integration with popular editors and browsers
Use Cases:
  • Proofreading academic papers and professional documents
  • Improving code comments and documentation clarity
  • Checking content for multilingual websites
Alternatives:
  • Grammarly – Proprietary SaaS with freemium model; LanguageTool offers open-source privacy and self-hosting.
  • vale – CLI-based linter focused on style guides; LanguageTool offers broader grammar checks.
Version History
Detected Version Rev Change Commit
Oct 9, 2025 2:17pm 0 VERSION_BUMP 03144fa9
Sep 16, 2025 8:23am 0 VERSION_BUMP bebb1ae9
Sep 30, 2024 7:52pm 0 VERSION_BUMP a507b581
Sep 27, 2024 3:45pm 0 VERSION_BUMP ca2f2f73
Jan 28, 2024 5:28pm 6.3 0 VERSION_BUMP 2ef5b1cf
Sep 30, 2023 8:02pm 0 VERSION_BUMP 40256b12
Apr 3, 2023 5:02pm 0 VERSION_BUMP 20789dbc
Dec 29, 2022 10:08pm 0 VERSION_BUMP 1fc7c349
Dec 29, 2022 10:08pm 0 VERSION_BUMP b1d30f08
Nov 21, 2022 9:12am 0 VERSION_BUMP ef804d2b
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