Ingo Richter

I’m Ingo—a senior computer scientist with decades of experience shipping code that matters. I’ve built scalable SDKs, led agile teams, and automated more things than I can count. When I’m not wrangling TypeScript or writing Rust, you’ll find me designing laser-cut ornaments, plotting pen art, or chasing sunlight on a titanium road bike.

I’m obsessed with clean workflows, great tools, and making things better—whether that’s debugging CI pipelines or helping teams stay focused on what really matters. I build, I share, and yes—I’m on a mission to make all this experience count (and maybe even get a little wealthy along the way).

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Adding a Colorful Border Around macOS App Windows

TL;DR

JankyBorders is a tool that allows you to add a colored border around macOS app windows. This is helpful, especially in dark mode, to better see the window border and identify which application window is in front and active.

With a simple configuration file, it’s possible to specify the colors for the active and inactive windows. The program has more customizable options than I will discuss here. I focus on defining the colors for the active window and the inactive windows. I will also show how to use gradients and glow for borders.

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Previously: How to Learn New Things