Harper Alternatives

Harper is described as 'English grammar checker designed to be just right. I created it after years of dealing with the shortcomings of the competition' and is a Grammar Checker in the development category. There are more than 50 alternatives to Harper for a variety of platforms, including Web-based, Windows, Mac, Google Chrome and Mozilla Firefox apps. The best Harper alternative is LanguageTool, which is both free and Open Source. Other great apps like Harper are DeepL Write, Grammarly, Grammalecte and QuillBot.

Harper iconHarper
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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...

More about Harper
More about Harper
Harper alternatives page was last updated Jan 31, 2025
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  1. Grammark icon

    Grammark

     2 likes
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    Grammark helps improve writing style & grammar and teaches students to self-edit. Basically, it finds things that grammarians consider bad, highlights them, and suggests improvements.

    23 Grammark alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted

    Properties

    1.  Educational

    Features

    1.  Works Offline
    2.  Grammatical Error Checking
    3.  Browser integration
    4.  Automated proofreading

    Grammark VS Harper

     
  2. Writefull icon

    Writefull

     11 likes
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    Writefull is automated proofreading for academic writing, with AI language models trained on millions of published journal articles across all academic disciplines. Its language check provides tailored suggestions for academic texts across grammar, spelling, vocabulary...

    55 Writefull alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Overleaf
    • Microsoft Office Word
    Writefull screenshot 1

    Writefull Features

    1.  Proofreading
    2.  Delivery reports
    3.  Microsoft Office Word add-in
    4.  AI-Powered

    Writefull VS Harper

     
  4. After the Deadline icon

    After the Deadline

     4 likes
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    We use artificial intelligence and natural language processing technology to find your writing errors and offer smart suggestions.

    11 After the Deadline alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted
    • Google Chrome
    • Drupal
    • bbPress
    • Wordpress
    • LibreOffice
    • Apache OpenOffice
    • Firefox
    After the Deadline screenshot 1
    Discontinued

    Last commit was from 8 years ago, and the server for language checking has been shut down, and also, as stated on the website, "After the Deadline is no longer actively maintained and the hosted service has been shut down. All of the source code is available for download if you wish to run your own AtD server."

    After the Deadline Features

    1.  Spell Checking
    2.  Grammar tool
    3.  Proofreading

    After the Deadline VS Harper

     
  5. Ad
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    QuillBot icon
    QuillBot

    QuillBot can help you paraphrase, summarize, grammar check and even plagiarism check all of your essays using AI.

    https://quillbot.com
    Learn More

  6. write-good

     3 likes
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    Naive linter for English prose for developers who can't write good and wanna learn to do other stuff good too.

    23 write-good alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Atom

    write-good Features

    1.  Spell Checking
    2.  Works Offline

    write-good VS Harper

     
  7. Essay ToolBox icon

    Essay ToolBox

     6 likes
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    Our goal is to provide students with the most effective writing and editing instruments to improve their texts. Use free tools and finish the college tasks easier, make documents unique, and get a clue about successful academic formatting.

    49 Essay ToolBox alternatives

    License model

    Application type

    Platforms

    • Software as a Service (SaaS)
    Essay ToolBox screenshot 1

    Essay ToolBox Features

    1.  Essays
    2.  Writing suggestions

    Essay ToolBox VS Harper

     
  8. Grammarian PRO3 icon

    Grammarian PRO3

     9 likes
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    Grammar, Spelling, Punctuation, Phrase Usage, Dictionary, Thesaurus, AutoCorrect, AutoType, Readability, Sentence Analysis, Statistics Analysis, Interactive Checking (check-as-you-type), Online, Offline, and Mac OS X utility.

    41 Grammarian PRO3 alternatives

    License model

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Online
    • Microsoft Office Word
    Grammarian PRO3 screenshot 1

    Top Grammarian PRO3 Features

    1.  Works Offline
    2.  Spell Checking
    3.  Interactive checking
    4.  Grammatical Error Checking
    5.  Readability
    6. Readability icon  Readability integration
    7.  Thesaurus
    8.  Text formatting
    9.  Auto Correction
    10.  Automated proofreading
    11.  Browser integration

    Grammarian PRO3 VS Harper

     
  10. Analyze My Writing icon

    Analyze My Writing

     4 likes
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    Analyze My Writing is an online text content and readability analyzer. Copy and paste a text into the homepage and gain a wealth of information about your text including word and character counts, word and sentence lengths, the readability of your text, and other analyses.

    42 Analyze My Writing alternatives

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online
    Analyze My Writing screenshot 1

    Analyze My Writing Features

    1.  Readability
    2.  Grammar tool

    Analyze My Writing VS Harper

     
  11. Pluma Spell Checking icon

    Pluma Spell Checking

     1 like
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    Pluma is a browser extension that allows you to spellcheck and edit text as you browse.

    53 Pluma Spell Checking alternatives

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Microsoft Edge
    • Google Chrome
    Pluma Spell Checking screenshot 1

    Pluma Spell Checking Features

    1.  Spell Checking
    2.  Microsoft Edge extension

    Pluma Spell Checking VS Harper

     
  12. Speckie icon

    Speckie

     5 likes
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    Speckie is the first and only dedicated, real-time spell check solution for Internet Explorer and Outlook.

    37 Speckie alternatives

    License model

    • Free Personal • Proprietary

    Platforms

    • Windows
    • Internet Explorer
    • Microsoft Office Outlook
    Speckie screenshot 1
    Discontinued

    The program seems to be no longer updated. Last version, 7.3, released in March 2016, can be still downloaded from the official website.

    Speckie Features

    1.  Spell Checking
    2.  Internet Explorer extension

    Speckie VS Harper

     
  13. Wordvice.ai icon

    Wordvice.ai

     2 likes
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    Wordvice AI Proofreader is an all-in-one editor and writing tutor that makes context-based suggestions to improve your vocabulary and enhance your style.

    94 Wordvice.ai alternatives

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    Wordvice.ai screenshot 1

    Properties

    1.  Distraction-free

    Features

    1.  No registration required
    2.  Ad-free
    3.  Automated proofreading
    4.  Text editing
    5.  Proofreading

    Wordvice.ai VS Harper

     
  14. VirtualWritingTutor icon

    VirtualWritingTutor

     9 likes
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    VirtualWritingTutor is a 100% free grammar checker that finds common spelling and grammar errors in English for learners of English as a Second Language.

    42 VirtualWritingTutor alternatives

    License model

    • Free Personal • Proprietary

    Application type

    Platforms

    • Online
    The Virtual Writing Tutor: a check your grammar and spelling for free -- get help with your English writing -- http://virtual-writing-tutor.blogspot.ca/

    VirtualWritingTutor VS Harper

     
  15. Refly Editor icon

    Refly Editor

     3 likes
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    Refly is a smart editor intended for authors, bloggers, and content marketers. A smart editor that helps proofread your content as you write. We use modern Machine Learning techniques to identify grammar mistakes. A powerful spell checker helps avoid embarrassing mistakes.

    44 Refly Editor alternatives

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    Refly Editor screenshot 1

    Refly Editor VS Harper

     
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