Trdo: A Lightweight Internet Radio Player for Windows That Stays Out of the Way

Developer TheJoeFin has released Trdo, an open-source internet radio player that runs from your Windows system tray—that small area at the bottom right of your screen where you'll find the clock, volume icon, and other quick-access tools. You can download it through the Microsoft Store or access the code on GitHub.

The core idea is simple: listen to internet radio without a clunky media player taking up screen space. Click the tray icon to play or pause. Right-click to manage your saved stations. That's it. The app remembers your favorite stations and keeps everything stored locally on your machine, so there's no cloud account required or waiting for data to sync.

How It's Built

Trdo uses three main pieces of Microsoft's modern Windows development toolkit: .NET 9 (the runtime that executes the code), WinUI 3 (the framework that handles the visual design), and the Windows App SDK (which bridges the gap between the app and Windows itself).

Why does this matter? .NET 9 is optimized for speed and efficient memory use—important for an app that sits in the background and stays out of your way. WinUI 3 means Trdo looks and feels like a native Windows 11 application rather than something bolted on from an earlier decade. The Windows App SDK handles the technical details of playing audio streams and integrating with your system's volume controls, so when you switch headphones or adjust system volume, the app responds correctly.

One trade-off: Trdo only works on Windows 10 (build 1809 and later) and Windows 11. Older systems won't support it. But for a modern system tray app, that's a reasonable choice.

What It Actually Does

The player lets you add radio stations by entering their URL, and it saves your collection locally. When you want to listen, one click starts playback. Volume and settings are available through a right-click menu, keeping the interface minimal.

Because everything is stored on your device rather than in the cloud, there's no privacy concern about your listening habits being tracked elsewhere, and switching between stations is instantaneous—no waiting for a server to respond.

Where This Fits in Windows History

This kind of lightweight, tray-based utility isn't new. In the early 2000s, when broadband internet was still becoming common, apps like WinAmp filled this role. What's changed is the infrastructure: internet radio is more stable and widespread now, and modern development tools like .NET and WinUI make it easier to build robust applications quickly.

Over the past two decades, Windows audio applications have generally split into two camps: full-featured media centers that manage your entire music library, or minimal tools designed for one specific job. Trdo clearly belongs in the second group.

Getting It and Using It

TheJoeFin has released Trdo in two ways: as open-source code you can read and modify, and through Microsoft's official Store. This matters because different people want different things. Technical users can examine the code to understand exactly what the app does or make their own changes. Regular users get the convenience of simple installation and automatic updates through the Store, plus Microsoft's automated security scanning to catch malware.

The changelog on GitHub shows that development is ongoing, with new features and fixes being added over time.

The Bigger Picture

The internet radio that Trdo plays typically comes in formats like MP3 or AAC, delivered over the web using standard HTTP streaming. The app has to handle the technical work of buffering that stream smoothly, recovering if your connection drops, and keeping your system responsive while it does this in the background.

Over the last decade, we've been told that web applications would replace traditional desktop software. But Trdo, like many other small utilities, shows that purpose-built desktop apps still have a place—especially when they do one thing well and stay out of your way. Modern development frameworks make this approach sustainable and practical.

The existence of Trdo also reflects something worth noting about the Windows development community: there's now a mature, practical approach to building small applications. You can write code once, publish it both as open source and through the official Store, and reach users who have different needs and different levels of technical comfort. That flexibility—giving power users the source code while providing mainstream users with security and convenience—reflects how the ecosystem has evolved.