Software Alternatives, Accelerators & Startups

Grub2Win VS ForthWrite

Compare Grub2Win VS ForthWrite and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Grub2Win logo Grub2Win

Safely dual boot Windows and Linux without touching the Windows MBR.

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
  • Grub2Win Landing page
    Landing page //
    2023-09-17
  • 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.

Grub2Win

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

Grub2Win features and specs

  • Cross-Platform Boot Management
    Grub2Win supports managing boot options for both Windows and Linux operating systems, allowing users to easily switch between different OSes on a single machine.
  • User-Friendly Interface
    Grub2Win provides a graphical user interface that simplifies the configuration and management of boot settings, making it accessible even for users who are not well-versed in command-line tools.
  • Customization
    The software allows for various customization options including themes, font sizes, and screen resolutions, enhancing the user experience.
  • Active Development
    The project is actively maintained and updated, ensuring compatibility with new hardware and operating system versions.
  • Free and Open-Source
    Grub2Win is open-source software released under the GPL, providing transparency and the ability to modify the software to fit specific needs.

Possible disadvantages of Grub2Win

  • Dependency on Windows
    Grub2Win requires an existing Windows installation to function, making it less useful for users who exclusively run Linux or other operating systems.
  • Limited Support
    The support community, while active, is smaller compared to more widely-used boot managers, which may result in slower issue resolution or fewer resources for troubleshooting.
  • Complex Recovery
    If the boot manager becomes corrupted or misconfigured, recovering a system can be more complex than using a native boot manager, potentially requiring additional technical knowledge.
  • Potential Compatibility Issues
    While Grub2Win aims to be compatible with a wide range of systems, there can still be issues with specific hardware configurations or software environments.

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 Grub2Win

Overall verdict

  • Grub2Win is considered a good tool for users who need a reliable boot manager with broad compatibility and ease of use. Its open-source nature and continual updates make it a fitting choice for those who want control over their boot process on multi-OS systems.

Why this product is good

  • Grub2Win is a popular boot manager that allows users to boot from various operating systems, including Linux and Windows, on PCs with both traditional BIOS and UEFI firmware. It is praised for its user-friendly interface, flexibility, and support for multiple languages. The program is regularly updated and has a good support community, which makes it suitable for users looking to manage multi-boot configurations effectively.

Recommended for

    Grub2Win is recommended for users who are comfortable with managing multiple operating systems on a single machine. It is particularly ideal for technical users who frequently switch between Linux and Windows environments or those experimenting with different operating systems.

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

Grub2Win videos

How to Multiboot Android x86 & Phoenix os using Grub2win

ForthWrite videos

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

Add video

Category Popularity

0-100% (relative to Grub2Win and ForthWrite)
IT Automation
100 100%
0% 0
Email
0 0%
100% 100
Developer Tools
100 100%
0% 0
Email Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing Grub2Win 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 Grub2Win and ForthWrite

Grub2Win Reviews

We have no reviews of Grub2Win 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, Grub2Win seems to be more popular. It has been mentiond 7 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.

Grub2Win mentions (7)

  • I have some questions regarding dual booting ubuntu on my windows PC.
    Use https://sourceforge.net/projects/grub2win/ to manage dual (multiboot) from Windows , makes yput life easyer. If you have more than one disk instal Linux on a separate one if not you need to create a separate partition. When you install Linux if you have 2 drives make sure that Linux grub (bootloader) is installed on the drive wher Linux resides, not on the one where Windows and it's bootloader is, in case you... Source: over 3 years ago
  • Installing dual boot
    Otherwise, what you'll have to do is image a USB drive with a partition management software or distro (e.g. GParted Live), boot from it, and then resize your partition from there. This does carry more risk of data loss than the dual SSD method, but it's more universal (you haven't mentioned if this is a laptop with more than one removable storage option or not, for instance), and it's unlikely to cause any harm.... Source: almost 4 years ago
  • Can you install Chrome OS Flex as a Dual boot?
    I have a suggestion, follow the previously advised installation process to install CrOS Flex on a separate drive, then reconnect and enable the Windows disk through the boot menu, once back there you can install a GRUB manager under Windows, like Grun2Win, it's easy to install and set up, once you are all done, the final result will be easier to switch from one OS to the next, instead of every time going through... Source: about 4 years ago
  • It is better to use 2 Bootloaders when dual booting with windows 10
    When using Opencore for booting Windows 10, causes many issues. Even it causes issues when you boot MacOS after restarting from Windows 10. So Fix is Simple Use Grub2win as main bootloader and boot Windows or Opencore ( Chainload opencore efi file) from there. I am available for your queries and help. Source: almost 5 years ago
  • Ubuntu 20.04.2.0 is not showing after installing on windows 10
    However, I have used this https://sourceforge.net/projects/grub2win/ I install it on the windows side and configure it. It will enable me to choose ubuntu> Ater booting in Ubuntu, I do grub install. If that's too complicated to install grub repair when you boot into Ubuntu and run it. Source: about 5 years ago
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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 Grub2Win and ForthWrite, you can also consider the following products

EasyBCD - EasyBCD is NeoSmart Technologies multiple award-winning answer to tweaking Windows bootloader.

ReclaimAI - Helps users prioritize their work and personal calendars

GRUB - Multiboot boot loader

Superhuman - Superhuman is an email management tool.

EasyUEFI - Manage EFI/UEFI Boot Options & Manage EFI System Partitions & Fix EFI/UEFI Boot Issues

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