LanguageTool AlternativesGrammar Checkers & AI Writing Tools like LanguageTool

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.

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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.
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Alternatives list

  1. ProWritingAid icon
    Sponsored

    A complete grammar checker, style editor, and mentor, offering 25 writing reports. It identifies repetitive language, vague words, overuse of adverbs, passive voice, and complex structures while providing a word explorer and thesaurus.

    117 ProWritingAid alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Microsoft Edge
    • Google Chrome
    • Microsoft Outlook
    • Microsoft Word
    • Google Docs
    • Google Workspace
    • Mozilla Firefox
  2. DeepL Write icon
     75 likes
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    An AI tool enhancing English and German communication by offering robust suggestions on phrasing, tone, style, and grammar, ideal for professionals, multilingual teams, and varied proficiency users.

    115 DeepL Write alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
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    1
    Comments about DeepL Write as an Alternative to LanguageTool
    Bulletproof
    0

    What do they track??? How much of the text I type do they store on their servers? What if I am typing sensitive data or passwords? Will the incorrect "typos" be sent to their servers??? Any security or privacy concerns?

    LanguageTool Icon
    DeepL Write icon
    • DeepL Write is the most popular Web-based alternative to LanguageTool.

    • DeepL Write is the most popular free alternative to LanguageTool.

    • DeepL Write is Free and ProprietaryLanguageTool is Freemium and Open Source
  3. Grammarly icon
     244 likes
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    Delivers real-time spelling, grammar, and style check, generative AI for instant drafts, comprehensive writing feedback, and enhanced sentence clarity and word choice for effective communication on multiple platforms, including desktops and web browsers.

    143 Grammarly alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Microsoft Edge
    • Google Chrome
    • Microsoft Outlook
    • Safari
    • Microsoft Word
    • Software as a Service (SaaS)
    • Mozilla Firefox
     
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    5
    19
    Comments about Grammarly as an Alternative to LanguageTool
    Top Negative Comment
    egami
    10

    Grammarly is only for English, LT offers a number of languages.

    Bulletproof
    Negative
    0

    Too resource heavy, not open source, and not easy to use.

    Guest
    Negative
    3

    Only for English and don't support French

    Review by a new / low-activity user.
    Show more comments
    3 of 5 comments
    LanguageTool Icon
    Grammarly icon
    • Some users think Grammarly is a great LanguageTool alternative, some don't.

    • Grammarly is the most popular Windows, Mac & SaaS alternative to LanguageTool.

    • Grammarly is Freemium and ProprietaryLanguageTool is Freemium and Open Source
    • Grammarly is Security-focusedLanguageTool is not according to our users
  4. Grammalecte icon
     34 likes
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    Grammalecte is a French grammar checker.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Google Chrome
    • Python
    • Thunderbird
    • Vim
    • Sublime Text
    • GNU Emacs
    • Pluma
    • LibreOffice
    • Mozilla Firefox
    • LibreOffice - Writer
    • ONLYOFFICE
     
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    1
    7
    Comments about Grammalecte as an Alternative to LanguageTool
    WillZegal
    Positive
    0

    Grammalecte is very efficient in French. at fall 2024, it seems to be an abandoned project.

    Review by a new / low-activity user.
    LanguageTool Icon
    Grammalecte icon
    • Most users think Grammalecte is a great LanguageTool alternative.

    • Grammalecte is the most popular Linux alternative to LanguageTool.

    • Grammalecte is the most popular Open Source alternative to LanguageTool.

    • Grammalecte is Free and Open SourceLanguageTool is Freemium and Open Source
  5. Grammit icon
     7 likes
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    Grammit is an AI spell checker, grammar checker, and everything checker. You can install it for free from the Chrome Web Store.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Google Chrome
     
  6. Doco icon
     7 likes
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    Doco is an AI-native writing assistant built for Microsoft Word. Reference any file, run adaptive workflows, and insert accurate, fully formatted content—without leaving your doc. Perfect for proposals, policy, education, and enterprise teams.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Mac
    • Windows
     
  7. Harper icon
     7 likes
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    Harper is an English grammar checker designed to be just right. I created it after years of dealing with the shortcomings of the competition.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • WebAssembly
    • Visual Studio Code
    • Mac
    • Linux
    • Windows
    • Homebrew
    • Neovim
     
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    1
    Comments about Harper as an Alternative to LanguageTool
    ReallyModern
    Positive
    0

    Open Source, Offline & IDE Support

    LanguageTool Icon
    Harper icon
    • Harper is the most popular Self-Hosted alternative to LanguageTool.

    • Harper is Free and Open SourceLanguageTool is Freemium and Open Source
  8. Compose icon
     6 likes
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    Transform your writing instantly with Compose. Fix grammar, improve tone, and craft professional messages with just a keyboard shortcut, anywhere on your computer.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
     
  9. ProWritingAid icon
     28 likes
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    A complete grammar checker, style editor, and mentor, offering 25 writing reports. It identifies repetitive language, vague words, overuse of adverbs, passive voice, and complex structures while providing a word explorer and thesaurus.

    117 ProWritingAid alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Microsoft Edge
    • Google Chrome
    • Microsoft Outlook
    • Microsoft Word
    • Google Docs
    • Google Workspace
    • Mozilla Firefox
     
  10. CleverType icon
     5 likes
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    AI-powered Android keyboard app featuring ChatGPT technology for grammar correction, word suggestions, adjustable tone, one-click text expansion, customizable themes, glide typing, emoji support, clipboard management, and multilingual input for efficient typing.

    33 CleverType alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Platforms

    • Android
    • iPhone
    • Google Chrome
    • Mozilla Firefox
     
    • CleverType is the most popular Android & iPhone alternative to LanguageTool.

    • CleverType is Freemium and ProprietaryLanguageTool is Freemium and Open Source
    • CleverType is CustomizableLanguageTool is not according to our users
  11. QuillBot icon
     10 likes
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    AI-powered platform offering paraphrasing with various writing modes, content summarization, grammar and plagiarism checks, citation generation, collaborative editing, seamless browser access, real-time feedback, and integration with popular document formats.

    46 QuillBot alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Microsoft Word
     
  12. Linguix icon
     15 likes
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    Linguix is a software solution that enhances written communication and learning through its web application and browser extensions. It uses AI to analyze your writing across the internet, offering over 2000 corrections for grammar, spelling, and style.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Google Chrome
    • Firefox
     
  13. Slick Write icon
     24 likes
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    Slick Write is a powerful, free tool that makes it easy to check your writing for grammar and spelling errors, potential stylistic mistakes, and other features of interest. Whether you're a blogger, novelist, or student writing an essay for school, Slick Write can help take...

    63 Slick Write alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
12 of 92 LanguageTool alternatives