Software Alternatives, Accelerators & Startups

Kaltura VS ForthWrite

Compare Kaltura VS ForthWrite and see what are their differences

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Kaltura logo Kaltura

Video solutions for media, service providers, enterprises, and education - OTT TV, Webcasting, Enterprise YouTube, VPaaS โ€“ live and VOD.

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
  • Kaltura Landing page
    Landing page //
    2018-09-29
  • 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.

Kaltura

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

Kaltura features and specs

  • Open-source Flexibility
    Kaltura is open-source, meaning it can be customized to meet a wide range of requirements and can integrate with various systems seamlessly.
  • Robust Feature Set
    Provides a comprehensive suite of features including video management, editing tools, analytics, and monetization options.
  • Scalability
    Can scale to meet the needs of small businesses to large enterprises, making it suitable for a wide range of use-cases.
  • Good Integration Capabilities
    Supports integration with LMS, CMS, and other third-party applications, thus enhancing its functionality and usability.
  • Strong Community Support
    Being an open-source project, Kaltura has a large community that can offer support, plugins, and extensions.

Possible disadvantages of Kaltura

  • Complexity
    The extensive features and customization options can make the platform overwhelming and complex for new users.
  • Cost
    While the core platform is open-source, scaling and obtaining the full range of features can become expensive.
  • Technical Support
    The quality of support can vary; enterprise customers might need to pay for premium support to get prompt and efficient assistance.
  • Resource Intensive
    Requires substantial server and technical resources to implement and maintain, which might be a barrier for smaller organizations.
  • User Interface
    Some users find the interface to be less intuitive compared to other modern video management platforms.

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 Kaltura

Overall verdict

  • Overall, Kaltura is considered a good option for organizations looking for a highly customizable and feature-rich video management platform.

Why this product is good

  • Kaltura is widely regarded for its robust set of video management and streaming features. It is an open-source platform, which means it offers great flexibility and customization options for businesses and educational institutions. Kaltura supports a wide range of integrations and is known for its ability to deliver high-quality video content efficiently. The platform also offers extensive analytics, monetization options, and collaboration tools that make it a comprehensive solution for video content management.

Recommended for

  • Educational institutions seeking a powerful platform for delivering online courses and lectures.
  • Enterprises looking to host webinars, virtual events, or training sessions.
  • Media and entertainment companies needing a scalable solution for video content distribution and monetization.
  • Developers and tech-savvy users who want a customizable open-source video platform.

Kaltura videos

Kaltura Overview

More videos:

  • Review - Kaltura Video Platform Overview Video
  • Review - Kaltura Employee Reviews - Q3 2018

ForthWrite videos

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

Add video

Category Popularity

0-100% (relative to Kaltura and ForthWrite)
Video Platform
100 100%
0% 0
Writing Tools
0 0%
100% 100
Video
100 100%
0% 0
Email
0 0%
100% 100

Questions & Answers

As answered by people managing Kaltura 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 Kaltura 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 Kaltura and ForthWrite

Kaltura Reviews

Comparison: The Best Video Hosting Platforms For Online Courses
Kaltura is often thought of as video hosting for teachers. The platform supports live streaming as well as on-demand video access. The platform is focused on offering a more interactive learning experience to users.
Top 26 Alternatives to Vimeo in 2024: Pricing, Features & More
Kaltura offers custom-priced and pay-as-you-go plans to broadcasters. Broadcasters can buy credits to use on features and bandwidth. Although an unusual way of charging, it allows you to only pay for precisely what you use. Some of its plans include:
Source: www.dacast.com
The 9 Best Vimeo Alternatives on the Market in 2024
Kalturaโ€™s Video Experience cloud offers a suite of tools for video content management, virtual event hosting, live communications, education resources, and developer tools. The platform uses generative AI to help improve video marketing by blending human creativity with technology assistance.
Source: www.loom.com
Best Online Video Platforms In 2023
For versatile video solutions, consider Kaltura. This platform offers a comprehensive suite of video tools for businesses and educators. With Kaltura, you can securely upload and manage your videos, host webinars, and capitalize your content. Itโ€™s a robust choice for those looking to harness the power of video in various applications.
Source: medium.com
Understanding Enterprise Video Hosting: Making the Right Choice
Kaltura, another enterprise live streaming service provider, has a distinct advantage due to its open-source video platform. Kalturaโ€™s comprehensive suite of video tools and capabilities make it an attractive choice for businesses. It also offers excellent video analytics, helping you to understand and enhance viewer engagement.
Source: medium.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 Kaltura and ForthWrite, you can also consider the following products

Brightcove - | The Leading Online Video Platform |

Superhuman - Superhuman is an email management tool.

Panopto - Panopto is the leading online video platform for businesses and universities. Easily create, host, search, share, and stream videos across your organization.

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.

Vimeo - Vimeo is a social media app that lets you share and capture videos. You can watch new videos in a variety of different categories, and you can share your own content right from your device. Read more about Vimeo.

Lavender - Realtime coaching for sales emails.