Congratulations Qt on the 20th anniversary of the first Qt release ever

The leading independent technology for cross-platform development

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One Qt Code
Create Powerful Applications & Devices

We believe modern software development must include a cross-platform user experience and that your tech strategy should be based on easy creation of connected devices, UIs and applications that run anywhere on any device, on any operating system at any time – making your end users’ life easier. With Qt, you can do this and more.

Before you begin, make the right license choice. Licensing

1 Framework

Write your source code once. Run it anywhere on any device.

1 Million downloads

Latest version of Qt had over 1M downloads.

1 Ranked #1

Qt is ranked #1 of all cross-platform tools*

1 Unified ecosystem

One ecosystem - Stronger together - One Qt

Leading companies in over 70 industries use Qt to power millions of devices and applications.

Qt in Use

What's happening


Getting started is easy. Vibrant ecosystem & world-class documentation

Our vast and electrifying Qt ecosystem builds upon the strength of our common cause to work together to develop the best cross-platform application and device creation framework. Our in-depth and first-rate documentation makes it easy and straightforward to develop, deploy and host your application with Qt.

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