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, Mac, Windows, 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 Grammarly, DeepL Write, Grammit and Refine.
WebSpellChecker offers a portfolio of multilingual sentence check solutions for dev companies, businesses, and individuals, WProofreader SDK, WProofreader browser extension, SCAYT plugin for CKEditor 4, WProofreader plugin for WordPress.
just-not-sorry - Gmail Plug-in that warns you when you write emails using words which undermine your message
WhiteSmoke makes English grammar correction software, translation software, and other specialized English writing tools.
SpellCheckPlus is a grammar checker that finds common spelling errors and grammatical mistakes in English.
Provides advanced grammar and style checking for academic, technical, and formal writing in English and Spanish, with MS Word and LaTeX support that preserves formatting, robust inconsistency detection, automated proofreading, online access, and data privacy features.
First Draft, developed by a 15-year professional writer, is an offline, artificially intelligent writing tool that assists a huge number of literary tasks.
Built for immigrants working as busy professionals, EnglishBrain rewrites your message drafts in perfect English. It saves time, eliminates language anxiety, and helps you work more efficiently. Use cases include thank you notes, condolences, congratulations, negotiations...
StyleWriter edits any document. Articles, press releases, resumes and cover letters, technical manuals, speeches, ads, sales letters, proposals, legal documents, corporate communications - you name it, StyleWriter can help edit it.
TripleChecker is an automated tool for catching spelling and grammatical errors, broken links, and other issues on websites. Unlike manual proofreading tools, TripleChecker automates this process, scanning websites without requiring downloads or plugins.
Automatic on-the-fly spell checking. Asutype checks and alerts you to any mistake that you may make while typing both audibly and visually so you can optionally take immediate action.
CMD+C is a native macOS app designed to correct grammar and punctuation on-the-fly across any application. Powered by AI using your own API key for ChatGPT/Claude or affordable subscription.
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