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

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Qt 4 supported the same set of platforms in the free software/open source editions as in the proprietary edition, so it is possible, with Qt 4.0 and later releases, to create GPL-licensed free/open source …

The Qt Project is an open collaboration effort to coordinate the development of the Qt software framework and tools. The Qt Company oversees the development of the Qt framework alongside the …

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

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

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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 …

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.