Show HN: Auto lock your Mac via phone proximity (No Apple Watch)

Category: security

Tags: macos, bluetooth-le, proximity-lock

Score: 4.7/10 (Innovation: 4, Technical: 5, Documentation: 3, Utility: 5)

Blunlock is a macOS utility that auto-locks and unlocks a MacBook in clamshell mode using Bluetooth LE proximity from a paired phone, solving the Touch ID inconvenience without requiring an Apple Watch. It's an incremental but practical approach to proximity-based security, currently in free beta as an unsigned Electron app.

Target audience: macOS users, remote workers, privacy-conscious individuals, developers

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