Brand writing enforcement for Claude Code — PostToolUse hook catches forbidden terms, passive voice, and sentence length violations before files save.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Linux
- Online
LanguageTool Alternatives
LanguageTool is described as 'An AI-powered proofreading tool supports over 20 languages, offering free and premium versions with extensive grammar checks across multiple apps' and is a very popular Grammar Checker in the web browsers category. There are more than 100 alternatives to LanguageTool for a variety of platforms, including Web-based, Mac, Windows, Google Chrome and Linux apps. The best LanguageTool alternative is DeepL Write, which is free. Other great apps like LanguageTool are Grammarly, Harper, Doco and Grammalecte.
Alternatives list
Aletheia is an AI-powered tool designed to analyze arguments rather than polish prose. It helps users understand how a piece of text is constructed, how its reasoning works, and where its logical weaknesses may lie.
Cost / License
- Free
- Proprietary
Platforms
- Online
Japan
AI-powered grammar correction tool using fine-tuned language models to fix grammatical errors in text.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
- Docker
Türkiye
G
A privacy-focused Microsoft Word add-in that highlights mechanical writing patterns, overused phrases, and formatting inconsistencies so users can edit and polish text in their own voice.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Windows
- Microsoft Word
Cyprus
EU
TypeGuard is a Chrome extension that automatically detects and corrects typos and grammar mistakes as you type — inspired by Google's familiar "Did you mean?" experience.
Cost / License
- Freemium
- Proprietary
Platforms
- Google Chrome
AI Slop Index (ASI) is VibeAxis’s open method and toolset for scoring synthetic-sounding content. It flags vague quantifiers, passive voice, credulous claims, and other slop signals, then rolls them into a transparent score. MIT-licensed components; zero tracking.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Online
- Software as a Service (SaaS)
United States
WordWand is a system-wide AI assistant for macOS that works in any app through a single keyboard shortcut. No copy-pasting, no tab switching — just select text, press a hotkey, and transform it instantly.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
Italy- EU
Grammar Checker is an advanced proofreading tool that identifies grammar and spelling errors, delivers clear explanations, and offers practical suggestions.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
China
Finds misspelled words on any web page. Works 100% offline. No account, no ads, no tracking, no data leaves your browser.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Google Chrome
- Microsoft Edge
- China
+1
O
Quillza is a free online platform that offers a range of smart tools to help people improve their writing. Whether you want to rewrite a paragraph, fix grammar mistakes, or generate content from scratch, Quillza makes it simple.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
Privacy-first grammar and spell checker Chrome extension — 100% offline spell check, AI grammar with your own API key.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Google Chrome
India
All-in-one AI writing toolbox: plagiarism checker, AI detection, grammar correction, rewriting/humanization and translation,Essay generato, AI image generator,AI homework helper.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
- Google Chrome
- Mozilla Firefox
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