Writing Tools
251 best Writing tools and apps, curated and ranked by community upvotes on ProductCool. Updated daily as new Writing products launch.
Write Markdown with the source and an editable preview side by side, live for everyone in the document. Review with comments and suggestions, bring your own agent over MCP, and publish straight to a gist or a repository file.
Claude now works directly inside Google Docs, Sheets, and Slides. Ask it to draft and edit documents, analyze spreadsheets, write formulas, build charts, or create presentation slides — all without leaving your file. You can also create and edit Google Workspace files directly from Claude using the new connectors. No more copying and pasting between apps. Available in beta for all paid Claude plans.
Hold a key, talk, let go: your words land where your cursor is, ums gone and laid out for the app you're in, an email, a chat line, a list or a prompt. 4.6 MB on a Mac, 2.3 MB on Windows, 0% CPU while it waits. $5 a month after a free trial.
Willow Knowledge lets you bring your writing style and personal context into Willow from ChatGPT, Claude, Gemini, or any AI you use. It's like giving superpowers to Willow Scribe. From now on, your email, slack msg, prompt, or wherever you write will sound exactly like you when you dictate.
Translate, shorten, fix or rewrite any text right where your cursor is — in any app on Mac. Dictate there too. No tabs, no copy-paste. Select text, hit a hotkey, and it's replaced in place. Or press ⌥` and speak in one language, get clean text in another. 13 languages. Privacy: Jarq uses cloud AI models to process your text and voice. Jarq itself doesn't keep your text on its servers, and your history stays on your Mac. Free: 5 actions a day. Pro: $4.99/mo or $39/yr. 14-day Pro trial, no card.
Create and update your knowledge base from Claude, Codex, or any compatible MCP client. Ask DocsAlot to add a page, fix an error, or improve your help center. It finds the relevant content, makes changes, creates a new version, and publishes, all from your existing workflow. See what questions users ask in your help center, discover what’s missing, and use those insights to improve your docs and decide what to build next.
A dedicated home for all your documentation, from internal knowledge bases, runbooks and onboarding guides to public docs. Keep projects open side by side across organizations and pick up where you left off. An agent works alongside you on the page you’re editing, while local files let you write offline and sync when you reconnect. Tabs, split views, and persistent sessions help you move between projects without losing context.
Lume is a native Windows notes app (WinUI 3, no Electron) that stays hidden until you need it. Shake your mouse or press a shortcut, write, and press Esc — it’s gone. Beyond quick notes: a scratchpad that does maths as you type, freehand drawing on notes, and local-first storage with optional OneDrive sync. Free for up to 20 notes. Reading, search and export always stay free.
For years we've used LLMs built to write text to make choices. JevGPT returns the favor: a chat app where TypeSafe's Jev, a model built to make choices, writes every reply one multiple-choice word at a time. Does it work? Sort of. Open source.
The simple document editor for everything you create. Private, clutter-free editing with smart templates for contracts, invoices, meeting notes, and more. Free forever.
Flotnote is a Markdown notepad that floats above every app on your Mac. Hit one shortcut, write the thought down, and get back to work. Every note is a plain Markdown file in a folder you choose, so Obsidian and any other editor can open it right away. Full-text search, wiki-style links, tags, and several floating notes at once. No account, no servers, no subscription.
Lattice reshapes your text through multiple language paths, creating a fresh expression while preserving the original idea.
Ryu means "flow" in Japanese. That's the whole idea. Ryu Journal is a quiet place to put a thought down and let it go. No accounts, no social feed, no pressure — just you and the page. Open it, write what's on your mind, and get back to your day. WRITE, THEN LET GO A clean, distraction-free editor. Tap the plus, write, save. Tap any entry to keep writing. Your week gathers softly into one simple timeline.
Paragraph Notes is a privacy-focused Markdown notes app for Mac. Write in a simple, distraction-free plain text editor. Paragraph Notes collects no data and never connects to the internet. Notes are stored locally in an open, portable format. Use Paragraph Notes free for up to 20 notes. Upgrade to Pro with a one-time in-app purchase for unlimited notes.
ShroomPen is a privacy-first browser writing assistant that lets you instantly reply, rewrite, fix grammar, or translate text across any website without sending sensitive data to the cloud. Designed to balance AI convenience with absolute data privacy, it keeps all your page, field, tab, and session context securely on your device, giving you complete control over your everyday web workflow.
A local-first, distraction-free writing app. Keyboard-driven, private by default, and fast enough to keep up with your thoughts.
ToneBird is an AI reply assistant for Mac and Windows. It remembers your relationships, uses conversation history and connected files, and drafts replies in your voice inside Gmail, Slack, and other supported apps. You review and send.
Your team already has things to say, they just don't know how. Our coach helps you stay consistent, find stories worth sharing and makes YOU the writer. Most AI tools take over writing. thestory.run flips it: the coach interviews you, finds the point you're circling, hands you the story arc, and you write it. It is the coach that helps you through it all: One real session, from a messy thought to a finished post. Between the posts, it keeps the week so you never have to guess what's next
Fulvid is an open source Markdown and MDX editor for open knowledge. Keep your knowledge in portable Markdown files on disk, ready to read, link, reuse, version, and work with across tools and LLM workflows. Search, preview, document links, and Graph navigation stay close to the filesystem. No proprietary vault or cloud workspace.
AI in every app, on Mac and Windows. Ubuntu next. Select text, press one shortcut, and the result lands where your cursor is. Rewrite keeps your tone and follows your instructions. Explain and Translate go as deep as you ask. Alternatives shows several ways to say it. Saved prompts run on anything you select and follow your account to every machine. Can't select it? Hold Option or Alt and drag over a PDF, screenshot, or shared screen. Read on your device. Free plan is enough for most people.
Write a post, a listing, a product or a headline, and 10,000 computed AI residents read it. The 600 it should matter to see it first, and it reaches the next 1,500 only if more readers were glad than annoyed, so a weak text dies for half a cent and a good one reaches everyone in 14 seconds. You get who stopped, liked, reposted or blocked, by interest, job, age, city and budget; the questions buyers would ask a listing first; and a demand curve over a product's price ladder. No sign-in.