Floatboat is a calendar-first agent runtime: a proactive Agent OS that runs work from your calendar. Instead of waiting in a chat box, it reads time, prepares ahead, executes on cue, and follows up after, keeping memory of your week. Each calendar block fires an agent rather than a meeting. It works with Google Calendar, Notion Calendar, Lark, Outlook, iCloud or any ICS feed, and is available for Mac (Apple Silicon and Intel), Windows (Microsoft Store or installer) and UOS, with a FloatIM