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 …

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 …

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 …

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 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, …

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.

Qt Online Installer has both the latest released version of Qt Creator and a beta version or a release candidate of the upcoming release, depending on the release cycle.

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.