ForthWrite
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Gemini
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ForthWrite is an AI email writing assistant for Gmail and Outlook that learns your writing style from your real sent mail. The more you use it, the more it sounds like you. Get smart drafts in seconds, auto-draft replies before you open your inbox, and maintain your personal voice at scale. Free to start, no credit card required. Works inside Gmail and Outlook on the web.
How it works
ForthWrite captures your tone, sentence rhythm, and sign-offs from your actual sent emails, then uses that profile to generate drafts that match how you write, not a generic AI voice. Every draft you edit or send improves the model over time.
Key features
Who uses it
Professionals who send high volumes of relationship-critical email: lawyers, financial advisors, recruiters, account executives, founders, and anyone who wants their inbox handled without sounding like a chatbot wrote it.
Pricing
Free tier includes 10 drafts per week with no credit card required. Paid plans start at $12/month and include unlimited drafts, custom persona prompts, and auto-draft.
ForthWrite Datafeed Manager by CoostiForthWrite's answer
Most AI email tools give you a blank box and a "write for me" button. ForthWrite builds a voice profile from your sent history and gets more accurate with every draft you edit or send. Unlike ChatGPT or Gemini, it works natively inside Gmail and Outlook with no copy-paste. Unlike Lavender, it writes the draft, not just scores it.
Datafeed Manager by Coosti's answer:
Cost-effective for budgets: Since itโs free, it's especially attractive for small or medium-sized stores, or new businesses โ you avoid subscription or usage fees typical in commercial tools.
Simplicity & ease of use: The visual mapping/transform interface and support for common file formats (CSV, XML, JSON, etc.) makes setup fast and accessible even without technical skills.
All-in-one solution: Instead of juggling multiple feed tools for different channels, Datafeed Manager centralizes the workflow
ForthWrite's answer
Professionals who send high volumes of relationship-critical email and cannot afford to sound generic: lawyers, financial advisors, recruiters, account executives, consultants, and founders managing their own inbox.
Datafeed Manager by Coosti's answer:
Small to medium-size online stores / e-commerce merchants โ merchants with limited budgets or just starting out, who need a robust feed solution but donโt want to pay.
Merchants with many products / channels but limited technical resources โ stores that need to manage large catalogs, export to multiple marketplaces and advertising channels, but donโt have developers or data specialists.
ForthWrite's answer
Built out of frustration with AI writing tools that produce text that sounds nothing like the person sending it, and as a way to handle large amounts of daily email. The core insight was that your sent mail is the best training data you already have, and no tool was using it.
Datafeed Manager by Coosti's answer:
Datafeed Manager is offered by Coosti as a free service for all online stores worldwide โ part of Coostiโs mission to make product feed management accessible to merchants of any size.
The tool is built to lower barriers for merchants to get their products listed across many marketing channels โ combining usability (visual editor), versatility (supports multiple file formats and export channels), and scalability (unlimited products/feeds).
ForthWrite's answer
ForthWrite learns your writing style from your actual sent mail, not a generic prompt. Every draft sounds like you wrote it because it was trained on how you actually write. It also auto-drafts replies before you open your inbox, so your email is partially handled before your day starts.
Datafeed Manager by Coosti's answer:
Completely free, no hidden fees โ Unlike many feed-management tools that charge per feed, product count or channel, Datafeed Manager by Coosti is 100% Free for all online stores, offering unlimited feeds, unlimited products, all channels included, automatic updates, email support and team access
ForthWrite's answer
Next.js, React, Supabase, Anthropic Claude, OpenAI, Stripe, Vercel, Chrome Extensions API
I built ForthWrite because I kept sending emails that sounded like they came from the same generic AI as everyone else. After launching it, I still use it for my own inbox every day, which is about the most honest endorsement I can give.
The Chrome extension lives inside Gmail and Outlook on the web. Open a thread, hit Alt+Shift+D, and a draft comes back in your voice, not a template. The free tier is real: 10 drafts per week, no API key, no credit card. Voice matching is included on free, because that is the point.
What keeps it useful compared to Gemini or a chat tab: it learns from what you actually send. Every edit you make before hitting send becomes a signal. Over time the drafts drift closer to how you really write, and the dashboard shows the improvement curve so you can see it happening.
The web compose surface lets you draft from forthwrite.ai without installing anything, useful for people who want to try before committing to the extension.
Standard adds recipient-aware and intent-aware drafting plus AI coaching. Pro adds auto-draft (replies waiting when you open Gmail), batch replies, and Prompt Lab for version-controlling your prompts. Teams adds a shared persona and seat-level analytics.
ForthWrite is not for everyone. If you just need quick replies and tone does not matter, Gemini is free and already in your inbox. ForthWrite is for people where tone does matter: client communication, relationship-driven threads, external correspondence where sounding off costs something real.
Disclosure: I am the founder and use it daily. Happy to answer questions in the comments.
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