Software Alternatives, Accelerators & Startups

ResNexus VS ForthWrite

Compare ResNexus VS ForthWrite and see what are their differences

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ResNexus logo ResNexus

ResNexus is a reservation software and property management system.

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
  • ResNexus Landing page
    Landing page //
    2023-09-15
  • 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.

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

ResNexus features and specs

  • Comprehensive Property Management
    ResNexus offers a range of features for managing reservations, property, and guests, making it an all-in-one solution for property managers.
  • Automated Email Marketing
    The platform includes built-in email marketing tools that automatically send booking confirmations, reminders, and promotional offers to guests.
  • Integrated Payment Processing
    ResNexus supports integrated payment processing, making it easy to handle transactions and manage financials directly within the software.
  • User-Friendly Interface
    The system is designed with an intuitive interface that simplifies the user experience, reducing the learning curve for new users.
  • Cloud-Based
    Being cloud-based ensures that users can access the system from anywhere, at any time, without the need for local installations.

Possible disadvantages of ResNexus

  • Cost
    ResNexus can be relatively expensive compared to other property management software, which may be a barrier for smaller businesses.
  • Complexity for Small Properties
    The extensive features and capabilities might be overwhelming or unnecessary for smaller property owners, who might prefer simpler, more straightforward solutions.
  • Customization
    While feature-rich, some users may find that it lacks the level of customization they need for specific business requirements.
  • Customer Support
    Some users have reported that customer support response times can be slower than expected during peak periods.
  • Integration Limitations
    Although it offers many integrated features, there might be limited interoperability with certain third-party applications vital to some businesses.

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 ResNexus

Overall verdict

  • Overall, ResNexus is regarded as a solid choice for those seeking a reliable and feature-rich property management system, particularly for small to mid-sized hospitality businesses.

Why this product is good

  • ResNexus is considered a reputable property management software due to its comprehensive features that cater to various hospitality businesses such as hotels, inns, and vacation rentals. It offers tools for reservation management, channel distribution, marketing, and guest engagement. Additionally, users often praise its customer service and the platformโ€™s ease of use.

Recommended for

  • Small hotels
  • Bed and breakfasts
  • Inns
  • Vacation rentals
  • Campgrounds

ResNexus videos

How to take a phone reservation with the ResNexus Reservations Grid

More videos:

  • Review - ResNexus E-Signatures
  • Review - ResNexus Airbnb Setup

ForthWrite videos

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

Add video

Category Popularity

0-100% (relative to ResNexus and ForthWrite)
Online Bookings
100 100%
0% 0
Email
0 0%
100% 100
Vacation Rental
100 100%
0% 0
Email Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing ResNexus 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

Share your experience with using ResNexus and ForthWrite. For example, how are they different and which one is better?
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Reviews

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

ResNexus Reviews

Top 12 Hotel Management Software Solutions for 2024
ResNexus is an easy-to-use hotel management software suite designed to streamline various processes within the short-term-stay industry.
Source: getsling.com

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)

What are some alternatives?

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

Hosthub - Hosthub is a Property Management Platform that helps property owners & managers manage their properties on multiple channels.

Superhuman - Superhuman is an email management tool.

OwnerRez - OwnerRez is internationally recognized as a leader in the vacation rental industry for channel management, CRM, PM, accounting, messaging, and websites.

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.

iHotelier - Hotel Reservations

Lavender - Realtime coaching for sales emails.