The best alternatives to HiddenMe are Hourglass, BossSensor, and PresenterMate. If these 3 options don't work for you, we've listed a few more alternatives below.
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Hurree— The smarter, simpler way to analyze your data
Hourglass reinvents your desktop experience with beautiful rotating conical gradients that moves like a clock and optional texts that provides additional info, including current time, next calendar event, weather forecast, and now playing.
PresenterMate.com a one-click solution to remove all noisy icons from your Mac desktop. No more seeing those unwanted shortcuts all over your beautiful wallpapers.
Privacy Spell is an extension that allows you to take control of what you share by anonymizing sensitive information with 1 single click. When it’s on, it obfuscates automatically personal information such as names, addresses, credit cards and numbers.