Build Your World

Discover how Qt helps you create connected devices, UIs & applications that run anywhere on any device, on any operating system at any time.

Download Qt 5.5

Application Development

Build powerful cross-platform applications with a modular C++ class library & professional IDE. Design UIs with C++ Qt Widgets or our declarative CSS & JavaScript-like UI language.

Device Creation

Create embedded devices with stunning UIs & native performance that run on all major embedded operating systems and configurable for a variety of HW architectures.

Developer Story:

Panasonic Avionics: Inflight Entertainment Systems

Gary Towsend, Software Manager at Panasonic Avionics, describes how the company uses Qt to develop Inflight Entertainment systems that are experienced by over 5 million passengers every day. By using Qt (with C++ and QML), the developers at Panasonic Avionics are able to focus on the design and the usability of the interactive.

View Qt in use

Professional support

Services & consultancy

Partner network

Qt World Summit 2016

Contribute to Qt

Do you have an improvement or addition you would like to contribute to Qt? The Qt project welcomes your contributions.

Have an app you want to showcase? Visit the Qt Showroom.


Sign up for Qt news and keep yourself updated with the latest release information, events, resources and the like.