Show HN: Sleep external displays connected to a MacBook after closing lid

Category: cli-tool

Tags: macos, utility, lid-closure

Score: 5.0/10 (Innovation: 4, Technical: 5, Documentation: 6, Utility: 5)

LidWatch is a lightweight macOS utility that listens for lid closure events and automatically puts external displays to sleep, preventing unwanted clamshell mode behavior. It improves upon existing polling-based solutions by using native macOS state notifications, making it more efficient and reliable.

Target audience: macOS users, developers

Repository: https://github.com/KristijanKocev/lidwatch · Swift · MIT

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