Sharing a category with Authors A.I. is what puts a product on this page at all. These 18 writing tools are the closest of the ones that do, ordered by how much of Authors A.I.’s categories and tags each one covers and how closely its own description reads like Authors A.I.’s — that is an ordering, not a verdict. We have not tested any of them, and there is no score on this page.
Back to the Authors A.I. listing| Tool | Pricing | Open source | Upvotes here |
|---|---|---|---|
| ProWritingAid | Freemium | No | 0 |
| Flawlessly AI | Free | No | 0 |
| Sudowrite | Subscription | No | 14 |
| Grammarly | Freemium | No | 35 |
| editGPT | Subscription | No | 0 |
| Lex | Freemium | No | 37 |
| Yomu AI | Freemium | No | 0 |
| DeepL | Freemium | No | 0 |
| Wordtune | Freemium | No | 11 |
| Humata | Freemium | No | 0 |
| SMMRY | Freemium | No | 0 |
| Sapling | Freemium | No | 0 |
| ChatPDF | Freemium | No | 0 |
| Speechify | Freemium | No | 0 |
| Jenni | Freemium | No | 0 |
| Kompas | Freemium | Yes | 0 |
| MailMaestro | Freemium | No | 0 |
| SciSummary | Freemium | No | 0 |
The complete toolkit for storytellers
ProWritingAid provides writing and editing software designed to help authors and writers finish their books. The platform includes planning tools, grammar and style checkers, manuscript analysis, and story critique featu…
Freemium · Shares 2 categories and 1 tag with Authors A.I.
Free AI grammar and writing checker
Flawlessly AI is an online writing assistant that corrects spelling, grammar, punctuation, and tone to help users produce polished text.
Free · Shares 2 categories and 1 tag with Authors A.I.
AI writing partner built for fiction and novels
Sudowrite is designed for novelists rather than marketers, with tools for brainstorming plot, describing scenes, expanding sparse drafts and keeping characters consistent across a long manuscript.
Subscription · Shares 1 category with Authors A.I.
Writing assistance that follows you across apps
Grammarly checks grammar, spelling, clarity and tone as you write in the browser, desktop apps, email clients and mobile keyboards.
Freemium · Shares 2 categories and 1 tag with Authors A.I.
Proofread and track changes using ChatGPT
editGPT is an AI-powered writing assistant that lets users proofread, edit, and track changes to their content using ChatGPT.
Subscription · Shares 2 categories and 1 tag with Authors A.I.
Word processor with AI feedback for serious writers
Lex is a clean document editor aimed at people who write prose rather than marketing copy. It offers inline drafting help, but its distinctive feature is structured feedback: you can ask for a critique of an argument, cl…
Freemium · Shares 2 categories with Authors A.I.
Academic writing AI assistant
Yomu AI is an AI-powered assistant designed for students and researchers to write essays, research papers, literature reviews, and theses.
Freemium · Shares 2 categories and 1 tag with Authors A.I.
AI-powered translation and language platform
DeepL is an end-to-end AI language platform providing accurate text, document, and real-time voice translation alongside a writing assistant.
Freemium · Shares 2 categories and 1 tag with Authors A.I.
Rewrite and refine sentences as you draft
Wordtune focuses on rewriting: highlight a sentence and it offers alternative phrasings that are more formal, more casual, shorter or longer.
Freemium · Shares 2 categories with Authors A.I.
AI-powered knowledge base for document analysis
Humata is an AI agent that turns documents into a searchable knowledge base for instant answers and analysis. The platform allows users to upload files, receive summaries with citations, and ask questions about the conte…
Freemium · Shares 2 categories with Authors A.I.
Summarize any text in seconds
SMMRY is an AI-powered text summarization tool that turns long articles, documents, reports, and videos into concise overviews.
Freemium · Shares 2 categories with Authors A.I.
AI language model toolkit and assistant
Sapling provides an API, SDK, and turnkey integrations for tasks such as grammar and spell checking, autocomplete, AI detection, paraphrasing, and sentiment analysis.
Freemium · Shares 2 categories and 1 tag with Authors A.I.
Chat with any PDF document using artificial intelligence
ChatPDF allows users to upload PDF documents, books, and research papers to ask questions, extract summaries, and find information through a conversational interface.
Freemium · Shares 2 categories with Authors A.I.
Text-to-speech and voice AI assistant
Speechify is an AI-powered text-to-speech reader and voice assistant available across multiple devices and browsers.
Freemium · Shares 2 categories with Authors A.I.
AI academic writing and research assistant
Jenni is an AI workspace built for students, researchers, and academics to read, write, and cite sources. It features smart AI autocomplete that suggests sentences grounded in real papers, traceable inline citations, and…
Freemium · Shares 2 categories and 1 tag with Authors A.I.
A compass for thought and idea generation
Kompas is a local-first desktop application that helps you capture, connect, and grow your ideas using AI. It works alongside your thinking by organizing your notes, documents, and conversations into a knowledge graph th…
Freemium · Open source · Shares 2 categories with Authors A.I.
AI email assistant for Outlook and Gmail
MailMaestro is an AI email assistant designed for Outlook and Gmail that helps users draft, rewrite, summarize, and manage emails faster.
Freemium · Shares 2 categories with Authors A.I.
AI tool to summarize scientific articles and research papers
SciSummary uses AI to summarize and help users understand academic research papers and scientific articles. It breaks down dense documents into structured sections like abstracts, methods, and results, while offering too…
Freemium · Shares 2 categories with Authors A.I.
This site holds four things about each of these products that are worth comparing before you open any of them, and none of them is an opinion. The pricing model above is the one recorded on the listing — a product marked Contact for pricing will cost you a sales call before it costs you anything else. The open-source column decides whether leaving later is a migration or an export. The shared categories and tags under each entry are how close the overlap with Authors A.I. actually is: a tool covering all of Authors A.I.’s categories is doing roughly the same job, one sharing a single category may only touch the same part of it — and a tool can be high on this page on the strength of its description alone, which means it describes the same work in the same words rather than that anybody checked it does that work well. Upvotes are votes cast here by people with accounts, and they say what this site’s readers picked, not what is best for you.
What we do not hold is a test. Nobody here has run these products side by side, so the last step is yours: open two of them and give each one the job you actually have.