Contact Us

Contact us

Submit a contact request

Call us

We have Sales offices around the world

Make apps that matter.
No matter the platform.

Develop applications that will run seamlessly across
any platforms you choose.

Start for Free

An application that looks great on every device and performs even better is what people expect — and Qt is what makes it possible.

With Qt cross-platform development, you’ll write and maintain one code base regardless of the platforms you choose and there’s no need for separate implementations on different devices. Qt decreases your time to market and makes your technology strategy simpler and your applications future-proof—ultimately reducing your costs.

  • Create amazing and intuitive experiences for all of your users.
  • Code once and then deploy across all screens and platforms.
  • Increase development productivity and speed up your time to market.
  • Simplify and future-proof your technology strategy.
  • Streamline your workflow and reduce your costs
Licensing explained

One ecosystem — Stronger together — One Qt

Learn why over 1 million engineers choose Qt as their #1 cross-platform development framework.

Application Development

Build powerful, connected and beautiful applications that run on any screen and across any platform.

Develop applications with Qt

Device Creation

Breathe new life into your devices by using innovative software to stand out from the crowd.

Create devices with Qt

Qt in use

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

Start the conversation with Qt today