Skim is a free, open-source AI email client for Windows with a native Rust core and a built-in AI copilot. It offers offline-first operation, instant local search, and optional AI features using your own API key.
Free, open-source AI email client for Windows
- Drafting emails in your own writing style using AI
- Quickly summarizing unread emails with AI-generated overviews
- Searching and asking questions about your entire mailbox conversationally
- Managing email offline with instant local search
- Download the installer from the website and run it on Windows 10/11 with WebView2.
- Set up your email account via Gmail, Outlook, Yahoo, iCloud, or any IMAP/SMTP provider.
- Optionally paste your Anthropic or OpenRouter API key to enable AI features.
- Use the command palette (one shortcut) to search, navigate, and ask AI questions.
- Draft or reply to emails with AI assistance: tell it what to say, and it writes in your tone.
- Summarize unread emails or ask about your mailbox directly from the command palette.
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