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# Licensing Information

These documents include information about Qt's licenses and the licenses of third party components used in Qt.

Addendum to the Trolltech GPL Exception Version 1.2 | Additional rights granted beyond the GPL.
Contributions to the Following qt3to4 Files: treewalker.h, treedump.cpp, treedump.h, treewalker.cpp | License information for contributions to the qt3to4 source code.
GNU General Public License (GPL) | About the GPL license used for the Qt Open Source Edition.
Implementation of the Recursive Shadow Casting Algorithm in Qt Designer | License information for contributions to specific parts of the Qt Designer source code.
Licenses for Code Used in Qt | Information about licenses of third-party code used in Qt.
Licenses for Fonts Used in Qt for Embedded Linux | Information about the licenses of fonts supplied with Qt for Embedded Linux.
Notes about PDF Licensing | Details of restrictions on the use of PDF-related trademarks.
Qt Commercial Editions | Information about the license and features of the Commercial Edition.
Qt Editions | Information about the different editions of Qt.
Qt Open Source Edition | Information about the license and features of the Open Source Edition.
Thanks! | A list of contributors to Qt.
Third-Party Licenses Used in Qt | License information for third-party libraries supplied with Qt.
Trademarks | Information about trademarks owned by Nokia and other organisations.
Trolltech GPL Exception Version 1.2 | Additional rights granted beyond the GPL.