Build a better
Qt is the faster, smarter way to create innovative devices, UIs and applications for multiple screens.
8 of Top 10 Fortune 500 companies use Qt.
From your favorite apps on all of your devices to ground-breaking cars and the deep depths of space, Qt is powering millions of devices and applications all over the world. Whether you want to build devices that stand out from the crowd with innovative software, or you just want the freedom to code once and watch as your applications run natively across all platforms, we’re putting the power back in your hands.
Write your source code once and run it anywhere on any device
Active Qt users worldwide
Qt is ranked #1 of all cross-platform tools (source: R2G 2014)
One ecosystem, stronger together, one Qt
April 28, 2016Qt used by LG Electronics for webOS 3.0 Smart TVs
Build powerful, connected and beautiful applications that run on any screen and across any platform.
Develop applications with Qt ›
Breathe new life into your devices by using innovative software to stand out from the crowd.
Create devices with Qt ›
Find out why leading companies in more than 70 industries are already using Qt to power millions of devices all over the world.
Read about Qt in the real world ›
Qt is a completely flexible and customisable platform. Find out which option is right for you and get started straight away.
Download Qt today ›