Buy qt commercial license

You will not have the rights to future development. Distribution of Qt libraries in binary form in conjunction with the developed application is allowed. You can install the Qt framework and our development tools to up to five computers. Our licenses are per named individual, so all members of your team using Qt need to have a valid license. For example, Qt software running on build server established using your license may not be accessed by a user without license.

Misuse may lead to payment entitlement of all applicable license fees retrospectively. Yes, you can use your commercial license to design, develop or test multiple products. A Qt for Application Development license can be used for creating many different application products on generic desktop and mobile targets. Likewise, a Qt for Device Creation license can be used for all Qt for Application Development use cases as well as for creating multiple products. If you have chosen the commercial licensing, each Qt user must have their own assigned Qt commercial license.

It is not permitted to mix Qt commercial licensees with open-source licensees in the design, development and testing of one hardware device or application. The Qt Company has the right to audit the use of commercial Qt products.

To provide or distribute a Qt-based application on devices under Qt commercial license, distribution licenses are also required. The features and functionality and license are the same. The only difference are the payment options. You can convert from developing under open source to commercial terms and conditions by contacting the Qt Company. The commercial license does not by default allow using of code created under open source license, thus you will need to contact the Qt Company to help you with the transition.

To protect the interest of the creators and maintainers of Qt, every user of Qt must either have a valid commercial license or needs to agree to the open-source terms and conditions. The commercial Qt license gives you the full rights to create and distribute software on your own terms without any open source license obligations. Qt Commercial Licensing 1. What is a subscription license? If you create a device, you need Qt for Device Creation License.

The Qt for Application Development license is sufficient to create applications that run on desktop PCs, mobile phones, or tablets. These kinds of computers are typically used also for reading email, browsing the Internet and so on.

A Qt-based application is only one of many applications on these computers. The main use case of these computers is not dedicated to the use of your Qt-based application. Contact us to learn more. All commercially licensed Qt versions allow modification of Qt libraries.

No, it does not. Qt libraries may be distributed in binary form only with the application. Each developer must have their own assigned Qt license. You are not permitted to further distribute your applications. Locking of devices, also known as Tivoization, is allowed under the commercial license. Yes, unlike some open-source setups, static linking is allowed with a commercial Qt license. Qt for Application Development is dual-licensed under commercial and open source licenses.

The commercial Qt license gives you the full rights to create and distribute software on your own terms without any open source license obligations. With the commercial license you also have access to the official Qt Support and close strategic relationship with The Qt Company to make sure your development goals are met.

Qt tools and some libraries are only available under GPL. See the comparison chart for details. For more information, please see the FAQ.