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Is the Qt module available under the GPL?
Note: For open-source licensed Qt, some specific parts (modules) are not available under the GNU LGPL version 3, but under the GNU General Public License (GPL) instead. See the list of Qt modules for details. For commercial licensees, all modules are available under a single, commercial Qt license.
What kind of license do I need for Qt?
Qt Licensing. Qt licensed under commercial licenses is appropriate for development of proprietary/commercial software where you do not want to share any source code with third parties or otherwise cannot comply with the terms of the GNU LGPL version 3. Qt licensed under the GNU Lesser General Public License…
What are the rights of a Qt user?
GPL – All users have the rights to obtain, modify and redistribute the full source code of your application. Your users are granted rights founded on the four freedoms of the GNU General Public License. LGPL – Any modification to a Qt component covered by the GNU Lesser General Public License must be contributed back to the community.
Is the Qt Project open to the public?
Qt source code repositories are open to the public, which means that you can immediately help guide and shape the future development of Qt by contributing code, translations, examples and more. Learn what’s involved when contributing to the Qt project here. Looking for Qt binaries? Find them in the Qt Online Installer.
Why is the LGPL the best license for Qt?
LGPL has been chosen as the primary open-source license for Qt, because it provides the following four degrees of freedom that stem from the foundations of the GPL: Freedom to run the program for any purpose. Freedom to study how the program works & adapt it to specific needs. Freedom to redistribute copies so you can help your neighbor.
Are there any open source versions of Qt?
Qt contains also third-party code that is licensed under specific open-source licenses from the original authors. Note: For open-source licensed Qt, some specific parts (modules) are not available under the GNU LGPL version 3, but under the GNU General Public License (GPL) instead. See the list of Qt modules for details.