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<h1 align="center">Qt Commercial Editions<br /><small></small></h1>
<a name="qt-console-edition"></a><a name="qt-desktop-edition"></a><a name="qt-desktop-light-edition"></a><p>Several editions of Qt are available under a commercial license: Qt Console Edition, Qt Desktop Light Edition, and Qt Desktop Edition.</p>
<p>You may write commercial, proprietary, or otherwise non-free software <i>only</i> if you have purchased a commercial edition of Qt. If you purchase a commercial edition, you are entitled to technical support and upgrades.</p>
<p>If you want to develop Free or Open Source software for release using a recognized Open Source license, you can use the <a href="opensourceedition.html">Qt Open Source Edition</tt></a>.</p>
<p>The table below summarizes the differences between the three commercial editions:</p>
<p><table width="75%" align="center" cellpadding="2" cellspacing="1" border="0">
<thead><tr valign="top" class="qt-style"><th>Features</th><th colspan="3">Editions</th></tr>
<tr valign="top" class="qt-style"><th></th><th>Qt Console</th><th>Qt Desktop Light</th><th>Qt Desktop</th></tr></thead>
<tr valign="top" class="odd"><td>Qt Core classes</tt></td><td><b>X</b></td><td><b>X</b></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td>Qt GUI classes</tt></td><td></td><td><b>X</b></td><td><b>X</b></td></tr>
<tr valign="top" class="odd"><td>Networking</tt></td><td><b>X</b></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td>OpenGL</td><td></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="odd"><td>Scripting</tt></td><td><b>X</b></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td>Database/SQL</tt></td><td><b>X</b></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="odd"><td>SVG</tt></td><td></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td>XML</tt></td><td><b>X</b></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="odd"><td>Qt 3 Support</tt></td><td></td><td><b>(X)</b></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td>Help system</tt></td><td></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="odd"><td><i>Qt Designer</tt></i> extension classes</tt></td><td></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td>Unit testing framework</tt></td><td><b>X</b></td><td><b>X</b></td><td><b>X</b></td></tr>
<tr valign="top" class="odd"><td>Run-time form handling</tt></td><td></td><td></td><td><b>X</b></td></tr>
<tr valign="top" class="even"><td><a href="activeqt.html#activeqt"><tt>ActiveQt</tt></a></td><td></td><td></td><td><b>X</b></td></tr>
</table></p>
<p><b>(X)</b> The Qt Desktop Light Edition contains selected classes from the Qt3Support module corresponding to the functionality available in the Qt 3 Professional Edition.</p>
<p>Lists of the classes available in each edition are available on the following pages:</p>
<ul>
<li><a href="console-edition-classes.html">Qt Console Edition Classes</tt></a></li>
<li><a href="desktop-light-edition-classes.html">Qt Desktop Light Edition Classes</tt></a></li>
<li><a href="desktop-edition-classes.html">Qt Desktop Edition Classes</tt></a></li>
</ul>
<p>Please see the list of supported platforms</tt> for up-to-date information about the various platforms and compilers that Qt supports.</p>
<p>On the Trolltech web site, you can find a Qt Licensing Overview</tt> and information on Qt License Pricing</tt> for commercial editions of Qt and other Trolltech products.</p>
<p>To purchase, please visit the online order form</tt>.</p>
<p>For further information and assistance, please contact Trolltech sales.</p>
<p>Email: <a href="mailto:sales@trolltech.com">sales@trolltech.com</tt></a>.</p>
<p>Phone, U.S. office (for North America): <b>1-650-813-1676</b>.</p>
<p>Phone, Norway office (for the rest of the world): <b>+47 21 60 48 00</b>.</p>
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