Qt Developers Blog

As the Internet of Things (IoT) becomes ubiquitous, billions of connected IoT devices are now linked to the networks – from smart thermostats and factory sensors to insulin pumps and vehicle ECUs. But with this connectivity comes risk: how do you know if the device you’re talking to is genuine, not a malicious clone or a compromised node? That’s where IoT device authentication comes in.

Financial Information eXchange (FIX) is the global standard for electronic trading. From equities to FX, FIX enables systems across capital markets to exchange orders, executions and market data in real time. But while the protocol is standardized, integrating it into real world systems is a technical and business challenge.

Ensuring high quality and regulatory compliance in quality industries requires rigorous software testing and validation. Among the key metrics used to assess testing effectiveness are code coverage and test coverage. While closely related, these terms have distinct meanings and implications.

Modern software is built on layers of open-source and third-party components—bringing both innovation and risk. In regulated industries, especially those handling sensitive data or critical systems, understanding exactly what’s inside your software is no longer optional. That’s why Software Bill of Materials (SBOM) has become a key requirement for security, compliance, and supply chain transparency.

Have you ever noticed that most professional software and games are available for all the most popular platforms? This is normal, because when creating an application you want it to be available to as many customers as possible. A wider audience means more interest in your product, but also more potential profits you can get from it. So it is worth releasing your app on several, different platforms, but how to do it? Whether you’re a startup or an established business, cross platform development gives you a strategic advantage by reaching more users with fewer resources.

Welcome to this comprehensive guide on 3D graphics in Qt. In this article, we’ll explore three main ways you can bring 3D content to life in your Qt applications: Qt 3D, Qt Quick 3D and low-level rendering with external libraries.