Riff

Riff

Zima Media OÜ
+
+

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About

ForthWrite is an AI email writer that drafts replies in your voice, right inside Gmail and Outlook. Open any thread, and your reply is already sitting there, sounding more like you with every email you send. Instead of producing a generic “professional tone” reply, ForthWrite learns from your real sent emails, capturing tone, sentence rhythm, sign-offs, terminology, and the edits you make over time. Click Generate Draft, get a polished reply in your voice, edit if needed, and send; every accepted draft and sent reply becomes part of a private writing profile unique to you. ForthWrite is built for people who care how their email reads, especially when messages need to feel personal, precise, and not templated. It works inside Gmail and Outlook Web, supports both work and personal inboxes, and lets users keep drafting without switching tabs or copying prompts into a separate AI tool.

About

Riff is a free Chrome extension that uses Gemini Nano on the user's computer to draft social-media replies, posts, and direct messages for creators, founders, marketers, and other professionals. On X, LinkedIn, Facebook, and Instagram, users can provide rough notes, adjust tone, and generate a draft tailored to a post or conversation. Riff also helps draft new posts and first messages, and replies to messages in LinkedIn Messaging, Facebook Messenger, and Instagram Direct. Users can configure a personal or brand voice, revise the draft, then insert and send or publish it themselves. Riff runs Gemini Nano locally in desktop Chrome and stores settings and drafts in Chrome storage on the computer. It requires compatible Chrome and hardware plus a one-time model download; it does not send posts on the user's behalf.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Supported

Audience

Professionals that need to draft and improve emails quickly while preserving their personal writing style and voice

Audience

Creators, founders, marketers and professionals who reply on social media.

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Supported
Free Trial Supported

Pricing

Free
Free to use with no monthly bill. Gemini Nano is downloaded once in Chrome.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

ForthWrite
United States
www.forthwrite.ai/

Company Information

Zima Media OÜ
Founded: 2017
Estonia
riffreply.com

Alternatives

Alternatives

VoiceMoat

VoiceMoat

VoiceMOAT
PersonaXpand

PersonaXpand

Nextoria
Serif

Serif

Serif AI
Buzzmark

Buzzmark

Piik Labs AB
Thread Pilot

Thread Pilot

Switch Labs
Zup

Zup

Zup Apps

Categories

AI Email Writers Supported

Categories

Integrations

Claude Supported
Claude Duet Supported
Claude for Legal Supported
Cohere Supported
DeepSeek Supported
Facebook Not Supported
Facebook Messenger Not Supported
Gemini Supported
Gemini Nano Not Supported
Gmail Supported
Google Chrome Supported
Grok Supported
Instagram Not Supported
LibreChat Supported
LinkedIn Not Supported
Microsoft Outlook Supported
Mistral AI Supported
OpenAI Supported
Perplexity Supported
X (Twitter) Not Supported

Integrations

Claude Not Supported
Claude Duet Not Supported
Claude for Legal Not Supported
Cohere Not Supported
DeepSeek Not Supported
Facebook Supported
Facebook Messenger Supported
Gemini Not Supported
Gemini Nano Supported
Gmail Not Supported
Google Chrome Not Supported
Grok Not Supported
Instagram Supported
LibreChat Not Supported
LinkedIn Supported
Microsoft Outlook Not Supported
Mistral AI Not Supported
OpenAI Not Supported
Perplexity Not Supported
X (Twitter) Supported
Claim ForthWrite and update features and information
Claim ForthWrite and update features and information
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Claim Riff and update features and information