Grammarly
The world's leading AI grammar checker and writing assistant. Real-time corrections for grammar, spelling, punctuation, and tone. Available as a browser extension, desktop app, and mobile keyboard.
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DeepL
The world's most accurate AI translation engine, supporting 30+ languages with neural-network quality that rivals human translators. Includes document translation and API access.
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Notion AI
An embedded AI writing assistant inside Notion. Supports drafting, summarization, rewriting, translation, and outline generation — seamlessly integrated into knowledge-work workflows.
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Jasper
An AI content platform built for marketing teams. Offers 50+ templates, brand-voice training, SEO mode, and team collaboration for large-scale content production.
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Writesonic
An SEO-focused AI writing platform with article generation, rewriting, expansion, and Chatsonic conversation mode. Built-in SEO optimization suggestions for higher rankings.
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Copy.ai
A marketing-copy AI tool with 90+ templates covering ads, email, social media, and product descriptions. Friendly for teams that need fast, on-brand first drafts.
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Rytr
A budget-friendly AI writing assistant supporting 30+ languages, 40+ use-case templates, and built-in plagiarism checking for solo creators and small teams.
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QuillBot
A specialist AI paraphrasing and polishing tool with 7 rewriting modes, grammar checking, citation generation, and plagiarism detection — ideal for academic and professional writing.
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LanguageTool
An open-source multilingual grammar checker covering 30+ languages. Browser extension and editor-plugin support with a strong focus on privacy for multilingual writers.
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Hemingway Editor
A readability-focused editor that highlights long sentences, passive voice, and adverb overuse, then assigns a grade-level score to help you write clearer, stronger prose.
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