Software Alternatives, Accelerators & Startups

Ruffle VS ForthWrite

Compare Ruffle VS ForthWrite and see what are their differences

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Ruffle logo Ruffle

An open source Flash player

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
  • Ruffle Landing page
    Landing page //
    2023-05-25
  • 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.

Ruffle

Website
ruffle.rs
Pricing URL
-
$ Details
Platforms
-
Release Date
-
Startup details
Country
United States

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

Ruffle features and specs

  • Open Source
    Ruffle is open source, allowing developers to contribute to its improvement and ensuring transparency in its development process.
  • Cross-Platform Compatibility
    Ruffle can run on various platforms including Windows, macOS, Linux, and web browsers, increasing its versatility and accessibility.
  • Security
    By using modern web technologies, Ruffle mitigates many of the security vulnerabilities that were present in Adobe Flash.
  • Active Development
    Ruffle is actively maintained and updated by a community of developers, ensuring continuous improvements and new features.
  • Ease of Integration
    Ruffle can be easily integrated into websites, allowing seamless playback of Flash content without the need for the original Adobe Flash Player.
  • Improved Performance
    Ruffle uses Rust, a systems programming language known for its performance and safety, to ensure efficient and reliable execution of Flash content.

Possible disadvantages of Ruffle

  • Incomplete Compatibility
    Ruffle does not yet support all Flash features and complex Flash applications may not run correctly or at all.
  • Development Resources
    As an open-source project, it relies on volunteer contributions which can limit the speed and scope of development.
  • Browser Support Limitations
    While Ruffle works on modern browsers, there may be limitations or issues with older browser versions.
  • Resource Consumption
    Running Flash content on the web through an emulator can result in higher resource consumption compared to native web technologies.
  • User Dependency on Developers
    Users are dependent on developers to implement specific Flash features or fix bugs, which can affect the usability and reliability of the content.

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 Ruffle

Overall verdict

  • Yes, Ruffle is generally considered good for emulating Flash content. It provides a seamless way to experience Flash media without needing the original Flash Player, offering significant performance and security benefits due to its Rust foundation.

Why this product is good

  • Ruffle is a Flash Player emulator built in Rust, designed to enable users to enjoy Flash content on modern web browsers that no longer support Flash. It is valued for its ability to preserve access to a wide range of Flash-based games, animations, and interactive applications that would otherwise be inaccessible after the official end of support for Adobe Flash in 2020. Ruffle's open-source nature and ongoing development community contribute to its reliability and compatibility improvements.

Recommended for

  • Users wanting to access legacy Flash content
  • Web developers looking to preserve Flash-based websites
  • Educational platforms using Flash for interactive lessons
  • Legacy game enthusiasts

Ruffle videos

*NEW* Amazon Ruffle Lehenga Unboxing & Review | Trendy Lehenga | Latest Designer Lehenga

More videos:

  • Review - Amazon Ruffle Saree Review 909 rs | Festive Unboxing Day 2 | Perkymegs Hindi
  • Review - Swisholic - Designer Ruffle Saree Unboxing, Review & Try On | My Birthday Gift | Nikki's Passion

ForthWrite videos

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

Add video

Category Popularity

0-100% (relative to Ruffle and ForthWrite)
Online Services
100 100%
0% 0
Writing Tools
0 0%
100% 100
Product Presentation
100 100%
0% 0
Email
0 0%
100% 100

Questions & Answers

As answered by people managing Ruffle 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 Ruffle and ForthWrite

Ruffle Reviews

We have no reviews of Ruffle 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, Ruffle seems to be more popular. It has been mentiond 250 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.

Ruffle mentions (250)

  • Your ePub Is Fine. Kobo Disagrees. Blame Adobe
    You know you can use Ruffle if you really want Flash right? https://ruffle.rs But the only standard you need is WASM. All browsers support it. Use whatever you want to make it. In fact, Ruffle is just a WASM app. - Source: Hacker News / 18 days ago
  • Badger Badger Badger Video Officially Preserved by British Film Institute
    The original SWF file can be played by Ruffle (https://ruffle.rs/). Depending on your criteria for preservation a simple web page may be sufficient. - Source: Hacker News / about 1 month ago
  • Flickr: The First and Last Great Photo Platform
    If you want to see the future of photo platforms like Flickr, you should download the cooliris.swf file from here: https://github.com/cooliris/embed-wall If you're on MacOS, you can run the file with this software: https://ruffle.rs This is called Flash technology, which has amazing capabilities. In ten or so years, everybody will use it for multimedia. - Source: Hacker News / 2 months ago
  • Building a New Flash
    Apart from the HTML5 export mentioned by another commenter, there exists Ruffle[1], a Rust + WASM reimplementation of Flash that can play swf files. It's used a lot on archive.org or on some websites like https://homestarrunner.com. [1] https://ruffle.rs/. - Source: Hacker News / 4 months ago
  • Flashpoint Archive โ€“ Over 200k Flash games and animations preserved
    Open source flash player emulator: https://ruffle.rs/. - Source: Hacker News / 5 months 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 Ruffle and ForthWrite, you can also consider the following products

BlueMaxima's Flashpoint - the webgame preservation project.

Superhuman - Superhuman is an email management tool.

Lightspark - The Lightspark project

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.

Flash Player 2021 - Want to fix "This plugin is not supported" and "Adobe Flash Player is blocked" error messages? This extension will remove those messages and allow you to play Flash in any website with a single click.

Lavender - Realtime coaching for sales emails.