Qt is a commercial and open source licensed cross-platform application and UI framework. It is developed by The Qt Company, together with the Qt Project Community under an open source governance model.

Using Qt, you can write GUI applications once and deploy them across desktop, mobile and embedded operating systems without rewriting the source code.

Qt is supported on a variety of 32-bit and 64-bit platforms, and can usually be built on each platform with GCC, a vendor-supplied compiler, or a third party compiler. Open GL (ES) 2.0, DirectX 9 (with ANGLE), or an alternative renderer is required for Qt Quick 2. Widgets can be used without hardware acceleration.

In Qt 5 all platforms are created using the Qt Platform Abstraction (QPA), which makes it easier than before to port Qt into a new operating system.

Supported Configurations

The following table lists configurations supported by The Qt Company. A configuration is a combination of an operating system version, a compiler version, and a graphics system.

Supported until Mar. 16, 2019

In the above table, the configurations in bold are reference configurations.

Reference Configurations

The reference configurations are run on the continuous integration (CI) system within Qt Project. In addition, they are subjected to unit test suite and other internal testing tools on a frequent basis (prior to new version releases, source tree branching, and at other significant period points in the development process). Errors or bugs discovered in these platforms are prioritized for correction. Significant errors discovered in tested configurations can impact release dates.

Any configurations not listed above are not actively tested by the Qt Project. However, Qt may run on configurations other than those actively tested on, and additional configurations may be raised to tested state, if sufficient effort is made to bring continuous integration to an acceptable state for that particular configuration.

The following page lists the configurations supported by The Qt Company for each released Qt version:

• Supported Platforms and Configurations

The Qt Company, Qt partners, open source projects and community users are able to provide assistance with various different supported platforms and configurations.

Availability of Packages

You can download the Qt 5 installers and source packages from the Downloads page. For more information, visit the Getting Started with Qt page.

Deployment of Qt Applications

The deployment procedure for each platform is different and they are covered in greater detail in their platform pages. Meanwhile, there is a deployment article for summarizing the deployment procedure in general.

• Deploying Qt Applications
  • Android
  • iOS
  • Linux/X11
  • macOS
  • Windows

General Legal Disclaimer

Please note that Qt is offered on an "as is" basis without warranty of any kind and that our products are not error or bug free. To the maximum extent permitted by applicable law, The Qt Company on behalf of itself and its suppliers, disclaims all warranties and conditions, either express or implied, including, but not limited to, implied warranties of merchantability, fitness for a particular purpose, title and non-infringement with regard to the Licensed Software.