Skim

Free, open-source AI email client for Windows

Skim is a lightweight, open-source email client for Windows built with a focus on simplicity. It avoids the bloat of calendars and rules, keeping your workspace clean and fast. Built on a native Rust core, it offers an instant full-text search and a tiny installer size. You can also integrate your own AI keys to have the app draft replies and answer questions based on your inbox content.