All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.

Download Qt and create applications for desktop and embedded systems with ease. Get a free trial of Qt Creator, Qt Design Studio, and more.

The Future of Digital Experiences Welcome to the documentation pages for Qt, the cross-platform software development framework.

You can use Qt Online Installer and Qt Maintenance Tool via a graphical user interface or a command line interface. The command line interface enables installing and uninstalling without …

Qt Quick Controls 轻量级 QML 类型，用于为桌面、嵌入式和移动设备创建性能良好的用户界面。

A collection of code samples and tutorials are provided with Qt to help new users get started with Qt development. These documents cover a range of topics, from basic use of widgets to step …

Learn the basics of Qt and Qt Quick development by following the tutorials that illustrate how to use Qt Creator or Qt Design Studio to create simple applications and build and run them on …

The Qt framework contains a comprehensive set of highly intuitive and modularized C++ library classes and is loaded with APIs to simplify your application development.

Check out Qt's software development resource center for all your learning needs. Find webinars, use cases, whitepapers and more.

Learn how you can use the Qt framework under both open source and commercial licenses. Download Qt for open source development and get started today!