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# Qt Commercial Editions

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:

Features | Editions
--- | ---
Qt Console | Qt Desktop Light | Qt Desktop
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 Qt Desktop Light Edition contains selected classes from the QtGui and Qt3Support modules corresponding to the functionality available in the Qt 3 Professional Edition.

<X> The ActiveQt module is only available on Windows.

Lists of the classes available in each edition are available on the following pages:

- Qt Console Edition Classes
- Qt Desktop Light Edition Classes
- Qt Desktop Edition Classes

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.