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

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

Qt Framework provides everything developers need in one place, making software development faster and smarter. This means less complexity, fewer integration issues, and more time spent building …

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 any user …

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

Qt features a large set of modules in the area of UIs, networking, web technologies, communication protocols, file formats, and much more. Essentials define the foundation of Qt on all platforms.

Build high-performance UIs with Qt Framework, Qt Creator & Design Studio—one codebase for embedded, desktop and mobile. Explore demos and try for free.

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-by-step …

Qt (pronounced as "cute", not "cu-tee") is a cross-platform framework that is usually used as a graphical toolkit, although it is also very helpful in creating CLI applications.