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Open CaffeinePrevent your Mac from sleeping with elegant simplicity

Keep your Mac awake with Open Caffeine. Native macOS menu bar app with custom timers, hotkeys, countdown display & battery protection. Free, open source, Apple Silicon ready.

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More About Open Caffeine

Open Caffeine

Open Caffeine is a lightweight, open-source macOS menubar utility designed to keep your Mac awake for customizable durations. Built natively for Apple Silicon with the stunning Liquid Glass UI, it offers precise control over sleep behavior without the complexity of traditional system settings.

Product Highlights

  • Native Apple Silicon: Optimized performance and battery efficiency for M-series chips
  • Liquid Glass UI: Beautiful, modern interface that matches macOS 26 (Tahoe) design language
  • Flexible Duration Control: Choose preset times or set custom durations to prevent sleep exactly when needed
  • Screen-Aware Settings: Independent control over display sleep vs. system sleep for complete power management
  • Battery Threshold Protection: Automatically stops caffeine mode when battery drops below your specified level
  • Global Hotkey Support: Instantly toggle caffeine on/off with a customizable keyboard shortcut
  • Auto-Start Login Option: Seamlessly resume your workflow with automatic launch at system startup

Use Cases

  • Presentations & Meetings: Keep your Mac awake during long video calls or screen sharing sessions without interruption
  • Downloads & Backups: Prevent sleep during large file transfers, system updates, or Time Machine backups
  • Creative Workflows: Maintain uninterrupted screen time during rendering, compiling, or lengthy creative processes
  • Remote Access: Ensure your Mac stays available for SSH, screen sharing, or remote management tools
  • Reading & Research: Keep reference materials visible while studying documentation or long-form content

Target Audience

Open Caffeine is ideal for macOS power users, developers, creative professionals, and anyone who needs reliable, fine-grained control over their Mac's sleep behavior. The app particularly appeals to users who value open-source software, native performance, and modern UI design.

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