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Click the tray. Pick 15 minutes, 30 minutes, 1, 2, or 5 hours, or indefinite. caffinated holds a native IOKit power assertion until the timer expires, then releases it. Optional display-sleep toggle. Resumes after reboot. macOS 11 or later. Free.
Hey everyone, I built caffinated because the correct way to prevent macOS from sleeping is already in the operating system. It is called a power assertion, it is exposed through IOKit.
No sudo, no kernel extension, no background daemon. The tray icon fills in when active and empties when idle.
- IOKit system sleep prevention with a one-click tray toggle.
- Five timer presets (15 min, 30 min, 1 hour, 2 hours, 5 hours), backed by a per-second countdown that releases all assertions automatically on expiry. Indefinite mode for jobs without a deadline.
- Independent display sleep toggle (PreventUserIdleDisplaySleep), switchable mid-session, with a live assertion swap.
- Launch at Login via a LaunchAgent plist in your own ~/Library/LaunchAgents/. No admin rights.
macOS 11.0 or later. Apple Silicon and Intel. Free. Honest feedback welcome, particularly on the reboot restoration path and the live display-sleep assertion swap.
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About Caffinated on Product Hunt
“Menu-bar app that keeps your Mac awake.”
Caffinated was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #25 on the daily leaderboard. Click the tray. Pick 15 minutes, 30 minutes, 1, 2, or 5 hours, or indefinite. caffinated holds a native IOKit power assertion until the timer expires, then releases it. Optional display-sleep toggle. Resumes after reboot. macOS 11 or later. Free.
Caffinated was featured in Productivity (652.3k followers), Developer Tools (512.9k followers) and Menu Bar Apps (12.2k followers) on Product Hunt. Together, these topics include over 206.7k products, making this a competitive space to launch in.
Who hunted Caffinated?
Caffinated was hunted by Seggy116. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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