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Licensing Information

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

Contributions to the Following qt3to4 Files: treewalker.h, treedump.cpp, treedump.h, treewalker.cppLicense 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 DesignerLicense information for contributions to specific parts of the Qt Designer source code.
Licenses for Code Used in QtInformation about licenses of third-party code used in Qt.
Licenses for Fonts Used in Qtopia CoreInformation about the licenses of fonts supplied with Qtopia Core.
Notes about PDF LicensingDetails of restrictions on the use of PDF-related trademarks.
Q Public License (QPL)About the QPL license used for early versions of Qt.
Qt Commercial EditionsInformation about the license and features of the Commercial Edition.
Qt EditionsInformation about the different editions of Qt.
Qt Open Source EditionInformation about the license and features of the Open Source Edition.
Thanks!A list of contributors to Qt.
Third-Party Licenses Used in QtLicense information for third-party libraries supplied with Qt.
TrademarksInformation about trademarks owned by Trolltech and other organisations.


Copyright © 2008 Trolltech Trademarks
Qt 4.3.5