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.
Downloads of Qt for Application Development available: commercial and open source.
Create embedded devices with stunning UIs & native performance that run on all major embedded operating systems and configurable for a variety of HW architectures.
Additional features and functionality available under commercial licensing. Download and try Qt for Device Creation.
Developer Story
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.
Qt is developed as open source software, and you can help by contributing to Qt. The Qt project welcomes your contributions.