Guarana

A lightweight, open-source macOS menu bar app that prevents sleep using face detection powered by Apple Vision framework.

Features

• Periodically captures a frame from the camera and detects faces using Apple Vision framework
• Prevents system sleep while a face is detected, releases when no face is found
• Configurable check interval, idle timeout, and session timer
• Adjustable camera resolution and detection sensitivity

Requirements

• macOS 14.0 (Sonoma) or later

Installation

Download the latest .zip from Releases, extract, and move Guarana.app to /Applications.

License

MIT