ForthWrite
ReclaimAI
Superhuman
Shortwave
Serif AI
Gemini
Gmail
LIAM
Sifta
Superhuman
Sanebox
Serif AI
Shortwave
Breezemail
Jetwriter AI
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.
Sifta is an AI agent that automates your inbox so you never have to open it again.
Most people spend hours every week managing email scanning through spam, searching for what matters, worrying about what they missed. Sifta handles all of that for you. It connects to your Gmail or Outlook, stops the noise automatically, and texts you only the messages that need your attention.
When Sifta texts you, you can reply to take action. Tell it what you want in plain English and it handles it. No commands to learn. No app to download. No dashboard to figure out. Just a text back and it's done.
Your inbox runs in the background, fully automated. You stay focused on your actual work instead of living inside your email.
Works with Gmail and Outlook. Setup takes 2 minutes. $49/month.
ForthWrite SiftaNo features have been listed yet.
Sifta's answer:
We work with hundreds of professionals in the F1000
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.
Sifta's answer:
Every other email tool still requires you to open something. A new inbox, a new app, a new dashboard. Sifta is the only email product that removes your inbox from your daily routine entirely. It automates the whole thing in the background and gives you full control through iMessage. You never have to open Gmail again.
ForthWrite'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.
Sifta's answer:
Superhuman makes your inbox prettier. SaneBox sorts email into folders. Fyxer summarizes what's in your inbox. All of them still require you to open something and do something. Sifta doesn't. You connect your Gmail or Outlook, and Sifta runs your inbox from that point forward. Spam stops. Important emails get texted to you. You reply to take action in plain English. No new behavior. No new interface. No new habit to build.
If you want a better inbox, use something else. If you want to stop living inside your inbox entirely, Sifta is the only product that actually does that.
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.
Sifta's answer:
Founders, executives, lawyers, or any professionals who get 50 or more emails a day and can't afford to miss what matters. People whose time is worth more than their inbox management. They've tried other tools and still find themselves stuck inside their email.
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.
Sifta's answer:
Sifta was built around one idea: email should be completely automated. You shouldn't have to open it, sort it, or manage it. It should just run. And when something actually needs you, it should come find you not the other way around. That's what Sifta does.
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.
ReclaimAI - Helps users prioritize their work and personal calendars
Superhuman - Superhuman is an email management tool.
Sanebox - SaneBox is a cloud-based service that allows users to filter and manage their emails.
Shortwave - Email smarter & faster with a reinvented experience for your Gmail
Serif AI - Meet Serif, Your AI Executive Assistant
Gemini - Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google. Based on the large language model (LLM) of the same name, it was launched in 2023 in response to the rise of OpenAI's ChatGPT.