Keep your MacBook awake with the lid closed, on battery, with no external display. A native menu-bar app that uses pmset disablesleep, with an auto-off timer and a battery-floor cutoff so it can't drain your Mac. The open-source, MIT alternative to Amphetamine.
macos swift battery pmset appkit sleep caffeine menu-bar sf-symbols apple-silicon clamshell keep-awake prevent-sleep amphetamine-alternative disablesleep closed-display-mode
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Updated
Jun 3, 2026 - Swift