Software Alternatives, Accelerators & Startups

FlorisBoard VS ForthWrite

Compare FlorisBoard VS ForthWrite and see what are their differences

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FlorisBoard logo FlorisBoard

An open-source keyboard for Android.

ForthWrite logo ForthWrite

Email that sounds like you, and gets measurably more like you every week. Drafts in Gmail, Outlook, and the browser. Free to start.
Visit Website
  • FlorisBoard Landing page
    Landing page //
    2023-07-25
  • ForthWrite Landing Page
    Landing Page //
    2026-06-19
  • ForthWrite Dashboard
    Dashboard //
    2026-06-19
  • ForthWrite In Gmail
    In Gmail //
    2026-06-19
  • ForthWrite Pricing
    Pricing //
    2026-06-19

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

  • Auto-draft: replies waiting in Gmail before you open your inbox
  • Voice matching from your real sent mail, not templates
  • Recipient-aware drafts that adapt to who you are emailing
  • Prompt Lab for version-controlling and A/B testing your persona prompt
  • BYOK support: bring your own API key for Claude, OpenAI, Grok, Mistral, and more
  • Works in Gmail and Outlook on the web, plus a standalone browser widget
  • Training data export and full data portability

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.

FlorisBoard

Website
github.com
Pricing URL
-
$ Details
Platforms
-
Release Date
-

ForthWrite

$ Details
freemium $12.0 / Monthly (Standard plan)
Platforms
Web
Release Date
2026 June
Startup details
Country
United States
State
California
City
San Diego
Founder(s)
Curtis Boortz
Employees
1 - 9

FlorisBoard features and specs

  • Open Source
    FlorisBoard is an open-source keyboard, allowing users to access and modify the source code to customize their experience or contribute to the project.
  • Privacy-focused
    Unlike many proprietary keyboards, FlorisBoard does not track user data or require internet permissions, offering enhanced privacy.
  • Highly Customizable
    Users can customize various aspects of the keyboard, such as themes, layouts, and input behaviors, to suit their preferences.
  • Multilingual Support
    FlorisBoard supports multiple languages, making it suitable for a diverse set of users around the world.
  • Gestures
    The keyboard supports gesture typing, allowing users to input text more quickly and efficiently.

Possible disadvantages of FlorisBoard

  • Development Status
    As a work-in-progress project, FlorisBoard may lack some advanced features found in more established keyboards and updates can be less frequent.
  • Stability
    Users might encounter bugs or crashes, as the keyboard is under active development and not as stable as mature alternatives.
  • Limited Features Compared to Competitors
    Advanced predictive text, autocorrect functionalities, and other sophisticated features might not be as refined compared to leading proprietary keyboards.
  • Community-Driven
    Development relies heavily on community contributions, which may lead to inconsistencies in support and feature updates.

ForthWrite features and specs

  • Voice Matching
    Learns from your real sent mail, not templates
  • Auto-draft replies
    Replies waiting in Gmail before you open your inbox
  • Batch-drafting
    Draft replies for your entire inbox with one click
  • Works in browser
    Gmail, Outlook, and web browsers
  • BYOK support
    Claude, OpenAI, Grok, Mistral, and more
  • Prompt Lab
    Version control and A/B test your persona prompt
  • Free tier
    10 drafts per week, no credit card required

Analysis of FlorisBoard

Overall verdict

  • FlorisBoard is a solid choice for those who prioritize privacy and customization in a keyboard app. It provides a good balance of features and user control, making it a desirable option for many Android users.

Why this product is good

  • FlorisBoard is considered a good option for a customizable keyboard on Android due to its open-source nature, privacy-respecting policies, and active community support. It offers a range of features and customization options that are comparable to other popular keyboard apps without the privacy concerns associated with many commercial alternatives. Users appreciate its user-friendly interface and the fact that it continuously receives updates and improvements from contributors.

Recommended for

    FlorisBoard is recommended for privacy-conscious users, open-source enthusiasts, and those who want a customizable keyboard experience on their Android devices. It is also suitable for users who prefer supporting community-driven software projects.

Analysis of ForthWrite

Overall verdict

  • I don't have verified information about a product called ForthWrite (forthwrite.ai). I cannot confirm its features, quality, or reputation, so I'm unable to provide an accurate assessment of whether it's good.

Why this product is good

  • No reliable data available on this specific product in my knowledge base
  • This may be a newer product, a niche tool, or possibly a fictional/hypothetical name
  • Providing details without verified information could result in inaccurate or fabricated claims

Recommended for

  • Unable to determine without verified product information
  • Consider checking the official website, user reviews on platforms like G2 or Trustpilot, and independent tech review sites for accurate details

FlorisBoard videos

FlorisBoard vs GBoard: Keyboard Battle!! #androidkeyboard

ForthWrite videos

No ForthWrite videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to FlorisBoard and ForthWrite)
iPhone
100 100%
0% 0
Email
0 0%
100% 100
iOS Tools
100 100%
0% 0
Email Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing FlorisBoard and ForthWrite.

Which are the primary technologies used for building your product?

ForthWrite's answer:

Next.js, React, Supabase, Anthropic Claude, OpenAI, Stripe, Vercel, Chrome Extensions API

What makes your product unique?

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.

Why should a person choose your product over its competitors?

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.

How would you describe the primary audience of your product?

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.

What's the story behind your product?

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.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare FlorisBoard and ForthWrite

FlorisBoard Reviews

We have no reviews of FlorisBoard yet.
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ForthWrite Reviews

  1. curtisboortz
    ยท Founder at ForthWrite ยท
    I built ForthWrite to fix generic AI email, and I still use it every day

    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.

    ๐Ÿ Competitors: Jace.ai, Fyxer, Mailmeteor
    ๐Ÿ‘ Pros:    Drafts land inside gmail and outlook; no copy-pasting from a chat window|Voice matching is on the free tier, not paywalled behind paid plans|No api key, no credit card to start; free tier runs on a server-side proxy|Learns from every edit you make before sending; drafts improve over time|Full keyboard flow: alt+shift+d to draft in any thread, no mouse required|Byok on paid plans, 9 providers supported, keys encrypted at rest|Web compose at forthwrite.ai works without installing the extension at all
    ๐Ÿ‘Ž Cons:    10 free drafts/week is enough to evaluate, not enough for a heavy inbox|Auto-draft, batch replies, and prompt lab all require the pro tier|Early-stage product; fewer third-party integrations than mature inbox tools|No mobile app: the extension and add-in are desktop-only (chrome on web, or the outlook desktop add-in)

Social recommendations and mentions

Based on our record, FlorisBoard seems to be more popular. It has been mentiond 56 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

FlorisBoard mentions (56)

  • FUTO Keyboard
    I'm quite happy with FlorisBoard, though initial configuration was a bit annoying. https://github.com/florisboard/florisboard. - Source: Hacker News / about 2 years ago
  • F-Droid, Keyboard Libraries, and Choosing a Browser
    I didn't last long with the stock keyboard before installing AnySoftKeyboard which is one of the few FOSS alternative with support for swipe typing. The experience was... OK. It felt slow and it's accuracy left a lot to be desired. I still had to be slow and pretty accurate, so it didn't really feel like much of a change from the stock experience. FlorisBoard have also introduced their own implementation but the... - Source: dev.to / over 2 years ago
  • All my Open Source App Alternatives
    Keyboard โ†’ OpenBoard (OpenBoard Upadted Fork, FlorisBoard when the v4 will be released...). Source: almost 3 years ago
  • Android keyboard recommendations ?
    The Github code repository (https://github.com/florisboard/florisboard) had an update on February 24, so the app is not abandoned. It reads like they plan a massive update for the next version, and word suggestions will be available. Source: over 3 years ago
  • Keyboard for Android
    I tested two: AnySoftKeyboard, it's stable and works even on very old devices, but it lacks modern features and the settings are really ugly and confusing (but once you look at all of them, you'll be able to make the keyboard the way you like it, is very customizable). And I also tested FlorisBoard, it's modern, beautiful, but it's a work in progress currently in early-beta stage and it has many incomplete or... Source: over 3 years ago
View more

ForthWrite mentions (0)

We have not tracked any mentions of ForthWrite yet. Tracking of ForthWrite recommendations started around Jun 2026.

What are some alternatives?

When comparing FlorisBoard and ForthWrite, you can also consider the following products

AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.

ReclaimAI - Helps users prioritize their work and personal calendars

Gboard - Google-powered keyboard with search, GIFs, emojis and more!

Superhuman - Superhuman is an email management tool.

HeliBoard - HeliBoard is a fork of OpenBoard, continuing the project from where it stopped.

Shortwave - Email smarter & faster with a reinvented experience for your Gmail