Gmail for your Mac,
not your browser.

Plume is a native macOS email client. Swift, not Electron. Your email, calendar, and contacts in one app — with AI that never leaves your machine.

Download for macOS Free • 4 MB Requires macOS 14+. Right-click → Open on first launch.

Works with

Gmail

Google Calendar

Contacts

Google Tasks

Native Swift No Electron

On-device AI Nothing uploaded

AES-256 Encrypted credentials

30s sync Real-time inbox

Core

Gmail, Calendar, Tasks & Contacts

Send, read, star, archive, trash. Create events and RSVP. Manage tasks with due dates. Browse and search contacts. Keyboard shortcuts. Syncs every 30 seconds.

AI Insights

Understands your email

Every message is analyzed on your Mac. Summaries, action items, priority scoring, tone detection, and smart replies — powered by Apple’s NaturalLanguage framework.

Performance

Opens in under a second

Pure SwiftUI on AppKit. No web engine. Minimal memory. Feels like a first-party Apple app because it’s built like one.

Privacy

Your email stays on your Mac

OAuth 2.0 with PKCE. Credentials encrypted with AES-256-GCM using your hardware ID. No analytics. No telemetry. No server between you and Google. AI runs entirely on-device.

Try Plume free.

Beta — every feature unlocked, no payment required.

Download Plume.dmg