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

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

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.

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 Creator is a cross-platform integrated development environment (IDE) designed to maximize developer productivity. With the Qt AI Assistant, developers can now enjoy smarter coding …

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 Online Installer lets you install only the modules and tools you need to develop for a specific desktop platform and deploy your applications to desktop platforms, mobile devices, …

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.

Download Qt Creator and Qt source packages offline. Whether you're installing for the first time or using the Qt Maintenance Tool, Qt has you covered.