Shortwave

AI-powered intelligent email that lets you work smarter and faster with a more efficient inbox. Agentic AI that helps you organize, write, search, schedule, and more with just a prompt. Shortwave works exclusively with Gmail and Google Workspace accounts. A free tier exists with basic AI features, though it includes limitations like search history caps and a signature. Ghostwriter analyzes emails you have sent to match your tone, phrasing, and vocabulary for drafts and suggestions. It offers shared threads, private comments, next-step assignments, and shared labels for team use. It connects to Slack, Calendar, Notion, Asana, HubSpot, and more, with advanced automation via Tasklet. Plans include a free option, personal/business tiers starting around $7-18 per month, and higher levels for more AI capacity and features.