Knock

Knock on your MacBook to control your Mac

Visit tryknock.app ↗Alternativestop 1% of March 2026

What it does

Knock turns taps on your MacBook into instant actions. Switch tabs, change desktops, play/pause music, open apps, run custom scripts, or take screenshots - all with a simple knock. Tap the desk beside your laptop or knock on the MacBook’s chassis (not the trackpad). Knock uses the built-in accelerometer in Apple Silicon MacBooks to trigger customizable shortcuts.

Does the same job

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tapcutMay 2026 · tapcut.app · ▲90
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SlapMacMar 2026 · slapmac.com · ▲473
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Hawkeye Access for Mac2020 · ▲279
Control your Mac using head movements
Slap2ActionsMar 2026 · slap2actions.click · ▲4
If you can script it, you can slap it
Knock2014 · ▲35
A safer login. Knock your iPhone to unlock your Mac
ExtraBarDec 2025 · ▲152
Build precise Mac actions and trigger them from the bar

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