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Information about the license and features of the Commercial Edition. Several editions of Qt are available under a commercial license: Qt Console Edition, Qt Desktop Light Edition, and Qt Desktop Edition. You may write commercial, proprietary, or otherwise non-free software only if you have purchased a commercial edition of Qt. If you purchase a commercial edition, you are entitled to technical support and upgrades. If you want to develop Free or Open Source software for release using a recognized Open Source license, you can use the Qt Open Source Edition. The table below summarizes the differences between the three commercial editions:
Qt Core classes (QtCore) | X | X | X |
Qt GUI classes (QtGui) | (X) | X | |
Graphics View Classes (part of QtGui) | X | ||
Networking (QtNetwork) | X | X | |
OpenGL (QtOpenGL) | X | ||
Scripting (QtScript) | X | X | |
Database/SQL (QtSql) | X | X | |
SVG (QtSvg) | X | ||
WebKit integration (QtWebKit) | X | ||
XML (QtXml) | X | X | |
XQuery and XPath (QtXmlPatterns) | X | X | |
Qt 3 Support (Qt3Support) | (X) | X | |
Help system (QtHelp) | X | ||
D-Bus IPC support (QtDBus) | X | X | X |
Qt DesignerQt Designer extension classes (QtDesigner) | X | ||
Unit testing framework (QtTest) | X | X | X |
Run-time form handling (QtUiTools) | X | ||
Phonon Multimedia Framework | X | ||
ActiveQt | <X> |
<X> The ActiveQt module is only available on Windows.
Lists of the classes available in each edition are available on the following pages:
Please see the list of supported platforms for up-to-date information about the various platforms and compilers that Qt supports.On the Qt web site, you can find a Qt Licensing Overview and information on Qt License Pricing for commercial editions of Qt and other Qt-related products.
To purchase, please visit the online order form.
For further information and assistance, please contact Qt sales.
Email: sales@trolltech.com.
Phone, U.S. office (for North America): 1-650-813-1676.
Phone, Norway office (for the rest of the world): +47 21 60 48 00.
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