gmail

ForthWrite is a Chrome extension for Gmail that learns a user’s email voice from sent messages and edits. This page explains its retrieval-and-feedback loop in detail, including pgvector-based RAG, edit-distance scoring, a phrasing miner, and the stack behind the product.

Open-source email firewall that classifies inbound mail into SILENT, QUEUE, PUSH, or AUTO using a deterministic policy around LLM-scored signals.