Universal Cable Intelligence Platform for All Devices

P5/10May 1, 2026
WhatA cross-platform hardware diagnostics tool that identifies the real-world capabilities of any connected cable, adapter, or dock — not just USB-C — across Mac, Windows, Linux, and mobile.
SignalThe USB-C ecosystem has become a minefield of identical-looking cables with wildly different capabilities, and users are frustrated that there is no simple, reliable way to know what a cable actually supports before plugging it in and hoping for the best.
Why NowUSB-C has become the mandated universal connector (EU regulation, Apple's switch from Lightning), dramatically increasing the number of mismatched cables in every drawer and the confusion that comes with them.
MarketIT departments, AV professionals, and power users; adjacent to the USB-C accessories market (~$30B); no dominant software player exists — current solutions are open-source hobby projects.
MoatBuilding a verified database of real-world cable performance profiles (what cables actually negotiate vs. what they claim) creates a data asset no competitor can easily replicate.
Show HN: WhatCable, a tiny menu bar app for inspecting USB-C cables View discussion ↗ · Article ↗ · 512 pts · May 1, 2026

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