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 50 alternatives to LanguageTool for a variety of platforms, including Web-based, Windows, Mac, Google Chrome and Linux apps. The best LanguageTool alternative is DeepL Write, which is free. Other great apps like LanguageTool are Grammarly, Grammalecte, Grammit and Doco.
LanguageTool alternatives are mainly Grammar Checkers, but if you're looking for
AI Writing Tools or Plagiarism Checkers you can filter on that. Other popular filters include
Android and
Microsoft Outlook. These are just examples - use the filter bar below to find more specific alternatives to LanguageTool.
Grammarian PRO2 is by far the most accurate grammar check available. PRO2 works on the original document or email, no manual copy/paste.