Qt 6.5

Qt is a full development framework with tools designed to streamline the creation of applications and user interfaces for desktop, embedded, and mobile platforms.

Qt Framework

Intuitive APIs for C++ and JavaScript-like programming with Qt Quick for rapid UI creation.

Qt Creator IDE

A powerful cross-platform integrated development environment, including UI designer tools and on-device debugging.

Tools and Toolchains

Internationalization support, embedded toolchains, Build with CMake, and more.

Licenses Used in Qt

Qt Framework and tools are available under both open-source and commercial licenses.

The commercially licensed Qt contains additional functionality and productivity tools. For details, see http://www.qt.io/download/.

© 2026 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.