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.

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 …

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 …

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 (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.

Qt's support for different Windows platforms is extensive and mature. To download and install Qt for Windows, follow the instructions on the Getting Started with Qt page.

From microcontrollers (MCUs) to supercomputers, Qt 6 and our massive ecosystem provides everything you need to design, develop, and deploy software for your entire product line.

This allows you to effortlessly incorporate Qt into your preferred development environment, or opt for Qt Creator for a comprehensive, out-of-the-box Qt developer experience.