macOS 27 Golden Gate
A high-fidelity web-based macOS simulator
macOS 27 Golden Gate is a silicon-native OS simulation built with React, TypeScript, Framer Motion, and Tailwind CSS. It runs entirely in your browser — no downloads required.
52 Built-in Apps
Finder, Safari, Mail, Messages, FaceTime, Calendar, Photos, Music, Podcasts, App Store, System Settings, Maps, Weather, Calculator, Notes, Reminders, Terminal, Activity Monitor, iPhone Mirroring, and 33 more.
Key Features
- Dynamic Island with 13 modes (music, notifications, camera, phone, alarms, timers, downloads, OTA updates, AirPlay, recording, stopwatch, live activities)
- iPhone 17 Pro Max Mirroring with iOS home screen, lock screen, widgets, and Control Center
- OTA Internet Update system with semver comparison and progress indicators
- Cross-tab Continuity: AirDrop, Handoff, and Universal Control via BroadcastChannel API
- Mission Control, Stage Manager, and Hot Corners for window management
- Dynamic wallpaper engine with time-of-day awareness
- Virtual File System with persistent localStorage storage
- Full boot lifecycle: Boot Sequence → Setup Assistant → Login → Desktop → Recovery → Activation Lock
- Hardware simulation: Battery API, Performance Memory API, Storage Estimation API
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