One framework. One codebase. Any platform.

Everything you need for your entire software development life cycle. Qt is the fastest and smartest way to produce industry-leading software that users love.

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DESIGN

Create beautiful interfaces

Designing and prototyping with Qt

DEVELOP

Code using powerful tools

Coding and testing with Qt

DEPLOY

Build for all platforms

Deploying and maintaining with Qt

THE WORLDS BEST COMPANIES USE Qt TO MAKE THE PRODUCTS YOU LOVE

Set-top-box digital TV platform

Automotive digital cockpit

Smart manufacturing and industrial automation

Business intelligence & analytics software

Smart TVs & electronics

Digital automotive cockpit

See how Qt is used to create user experiences – faster & better

LATEST & GREATEST

From Sketch design to UI prototype in minutes

Close the gap between designers and developers with one common full-stack development framework.

Check out the tools

Ultimate performance. Tiny footprint.

Create smartphone-like user experiences on microcontrollers with Qt for MCUs.

Grab the free evaluation package

Update on what's new in Qt 5.13 and the tools

Get ready for a round of great new features and development tools! More support and all sorts of improvements.

Get the scoop on Qt 5.13

Berlin & Tokyo November 2019

Qt World Summit 2019

Join us in bustling Berlin, 4-6 November 2019, for quality Qt training, two conference days including 70+ presentations, dozens of Qt demos and more!

BUILT WITH Qt

Mercedes-Benz A-Class 2019 infotainment

Check out this automotive success story and others like it

BUILT WITH Qt

LG’s WebOS

Find out how LG and others building consumer electronics use Qt

START BUILDING

Light, yet powerful. So Qt.

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WHY Qt

10 reasons why you’ll enjoy Qt.

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