The Qt development framework and tools are available either under commercial or open source license.
The commercial licenses of the Qt framework include additional features not available under open source license, technical support, and immediate access to all releases. The commercial license options for the Qt framework and development tools are:
- Qt for Application Development (AD) license: a license for those creating Applications used in generic desktop and mobile environments.
- Qt for Device Creation (DC) license: a license targeted at developers creating Applications and/or Devices, for example dedicated or embedded devices, embedded systems, and other digital hardware products.
The Qt development framework and tools can also be used under open source licenses, mainly GPLv3 and LGPLv3. The open source licenses require you comply to the open source terms and conditions. Different parts of the Qt framework and development tools are available under a variety of open source license types including LGPLv2.1, GPLv3, LGPLv3, BSD, or MIT. Please check the documentation of the individual component for further information on its open source licensing terms.
