ForthWrite is an AI-powered email writing tool that learns a user's writing style from their sent emails and generates drafts that match their voice. It integrates with Gmail and Outlook via a Chrome extension and also works via a web dashboard. The system improves over time by comparing drafts to actual sent emails.
Key Features
- Voice Match: Captures tone, sentence rhythm, and sign-offs from sent mail; dashboard shows improvement curve.
- Prompt Lab: Version-control prompts, A/B test against sent mail, optimizer suggests edits grounded in user data.
- Performance Analytics: Tracks acceptance rate, similarity score, edit-distance, and time saved.
- Auto-draft: Automatically generates replies in the background as email arrives; batch drafts for multiple threads.
- Choose your model: Supports nine AI providers (OpenAI, Claude, Gemini, Grok, DeepSeek, Mistral, Perplexity, Cohere, LibreChat) via bring-your-own-key.
- Private training set: Every accepted draft and sent reply builds a private model unique to the user; full export available.
- Context-Aware Replies: Reads the full email thread and addresses all open questions.
- One-click data wipe: Users can delete all training data at any time.
