Yowl — a free, open-source MacBook theft alarm. Unplug it, close the lid or lift it and it screams over mute and headphones, locks the screen, and photographs whoever is there.
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Updated
Sep 23, 2026 - Swift
Yowl — a free, open-source MacBook theft alarm. Unplug it, close the lid or lift it and it screams over mute and headphones, locks the screen, and photographs whoever is there.
EGuard Light — privilege-free, MDM-compliant anti-theft alarm for managed Macs (no admin / no TCC / no signed app; pure bash + launchd). 無權限合規防竊系統:專為公司 MDM 管控、無 admin 的 Mac 設計,藍牙感應武裝、分級警報、多管道推播、IP+Find My 定位。
Linux laptop security and anti-theft protection with intrusion detection, geolocation, webcam capture, and systemd integration.
Know if someone is using your Mac while you're away — Telegram alerts, plus a webcam photo & screenshot when it joins an unknown network
AngysGuard (Angel of System Guard): owner-controlled endpoint security and device protection platform, Linux-first today with Bale/Telegram controls, bounded evidence, guided setup, and planned Windows/Android apps plus optional managed multi-device control.
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