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Developer Creates 'Alan' macOS App for Visual Window Borders to Improve Contrast

By

donatj

6mo ago· 1 min readenNews

Summary

Developer Tyler created a simple macOS utility called 'Alan' that draws customizable borders around the active window to improve visual contrast and accessibility. The app allows users to set border width and colors for light/dark modes, and includes options to hide the Dock icon. It's available as a notarized download with a demo video.

Key quotes

· 5 pulled
Maybe it's because my eyes are getting old or maybe it's because the contrast between windows on macOS keeps getting worse.
I built a tiny Mac app last night that draws a border around the active window. I named it 'Alan'.
In Alan's preferences, you can choose a preferred border width and colors for both light and dark mode.
That's it. That's the app.
You can download a notarized copy of Alan here.
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November 26, 2025 1 min read

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