Qt Framework Cross-Platform Development

Qt Framework - C++ Framework

What is Qt Framework?

Qt Framework is a comprehensive framework for creating cross-platform applications created in 1991. It is characterized by write-once-deploy-everywhere approach, native performance and rich set of GUI tools.

Year created
1991
Owner
The Qt Company
Languages
C++, Python, JS
License
GPL/Commercial
1M+
Business customers
15+
Target platforms
34+
Years of development
main.cpp
#include <QApplication>
#include <QPushButton>
int main(int argc, char *argv[]) {}
QApplication app(argc, argv);
QPushButton *button = new QPushButton("Hello World!");
button->show();
return app.exec();
}
Output:
$ qmake && make
Compile: main.cpp
Link: qt-demo
$ ./qt-demo
[Qt App] Running cross-platform!
Cross-Platform
Native Performance!

Advantages of Qt Framework in Business Projects

Why is Qt Framework chosen by Mercedes-Benz, BMW, and Tesla? Here are the main advantages of the most mature cross-platform framework.

Disadvantages of Qt Framework - An Honest Assessment

Every framework has limitations. Here are the main challenges of Qt Framework and ways to solve them in real enterprise projects.

What is Qt Framework Used For?

Main applications of Qt Framework in 2025 with examples from automotive, desktop applications, and embedded systems.

Cross-platform desktop applications

Professional desktop applications running on Windows, macOS, and Linux with native performance

tech.useCases.frameworks
Qt WidgetsQt QuickQt DesignerQt ChartsQt NetworkQt Multimedia
tech.useCases.realExamples

VirtualBox interface, Adobe Photoshop Elements, VLC Media Player, OBS Studio

Automotive and embedded systems

User interfaces for cars, industrial devices, medical equipment

tech.useCases.frameworks
Qt for Device CreationQt Quick ControlsQt Serial PortQt ModbusQt OPC UA
tech.useCases.realExamples

Mercedes-Benz MBUX, BMW iDrive, Tesla Model S interface, Panasonic automotive systems

Mobile applications with native performance

Cross-platform mobile applications with native performance on iOS and Android

tech.useCases.frameworks
Qt Automotive SuiteQt Quick Controls 2Qt 3DQt LocationQt Speech
tech.useCases.realExamples

Telegram Desktop, KDAB mobile apps, industrial mobile solutions

Development tools and IDEs

Programming environments, editors, CAD tools, engineering applications

tech.useCases.frameworks
Qt MedicalQt Safe RendererQt ChartsQt Data VisualizationQt Test Framework
tech.useCases.realExamples

Qt Creator IDE, FreeCAD, KDevelop, mathematical software, engineering tools

FAQ: Qt Framework - Frequently Asked Questions

Complete answers to questions about Qt Framework - from basics to advanced deployment strategies.

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