QML
QML (Qt Modeling Language) is a declarative, JavaScript-based language used for designing user interfaces in Qt applications. It allows developers to create fluid, animated UIs with a focus on visual appearance and behavior, separating UI logic from backend C++ code. QML is part of the Qt framework and is commonly used for cross-platform desktop, embedded, and mobile applications.
Developers should learn QML when building modern, visually rich applications with Qt, especially for embedded systems, automotive dashboards, or desktop apps requiring complex animations. It's ideal for projects where UI designers and developers need to collaborate, as QML's declarative syntax makes UI design more intuitive and maintainable compared to traditional widget-based approaches. Use cases include IoT device interfaces, medical equipment displays, and multimedia applications.