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<td ><a href="index.html">Qt 5.9</a></td><td >Licenses Used in Qt</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h1 class="title">Licenses Used in Qt</h1>
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<p>Qt contains some code that is not provided under the <a href="lgpl.html">GNU Lesser General Public License (LGPL)</a> or the <a href="commerciallicense.html">Qt Commercial License</a>, but rather under specific licenses from the original authors.</p>
<p>The Qt Company gratefully acknowledges these and other contributions to Qt. We recommend that programs that use Qt also acknowledge these contributions, and quote these license statements in an appendix to the documentation.</p>
<p><b>Note: </b>You only need to comply with (and acknowledge) the licenses of the third-party components that you are using with your application. Click the name of the component to see the licensing details.</p><p><b>Third-party Licenses</b></p>
<p>The following table lists parts (modules) of Qt that incorporate code licensed under third-party open-source licenses:</p>
<div class="fixed"> <h2 id="additional-information">Additional Information</h2>
<p>The following table lists related documents, such as information about Trademarks and other licenses used in parts of Qt.</p>
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<tr class="odd topAlign"><td class="tblName"><p><a href="android-runtime-licensing-notes.html">Android GNU C++ Run-time Licensing</a></p></td><td class="tblDescr"><p>Provides additional information about the licensing of run-time dependencies of Qt for Android</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="mac-licensing.html">Contributions to the Cocoa Platform Plugin Files</a></p></td><td class="tblDescr"><p>License information for contributions by Apple, Inc. to specific parts of the Qt for macOS Cocoa port.</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qt-attribution-cmake-macros.html">Macros for Building with CMake</a></p></td><td class="tblDescr"><p>BSD 3-clause "New" or "Revised" License</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qt-attribution-llvmpipe.html">Mesa llvmpipe</a></p></td><td class="tblDescr"><p>MIT License</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="opensourcelicense.html">Open Source Licensing of Qt</a></p></td><td class="tblDescr"><p>Information about open source licensing of Qt.</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtmain.html">The qtmain Library</a></p></td><td class="tblDescr"><p>Commercial and BSD 3-clause "New" or "Revised" License.</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="trademarks.html">Trademarks</a></p></td><td class="tblDescr"><p>Information about trademarks owned by The Qt Company and other organizations.</p></td></tr>
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<acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd.
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