|  | Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# Qt Commercial Editions

Two editions of Qt are available under a commercial license: Qt GUI Framework Edition, and Qt Full Framework 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 GUI Framework | Qt Full Framework
Qt Core classes (QtCore) | X | X
Qt GUI classes (QtGui) | (X) | X
Graphics View Classes (part of QtGui) |  | X
Networking (QtNetwork) |  | X
OpenGL (QtOpenGL) |  | X
Scripting (QtScript) |  | X
Database/SQL (QtSql) |  | X
SVG (QtSvg) |  | X
WebKit integration (QtWebKit) |  | X
XML (QtXml) |  | X
XQuery and XPath (QtXmlPatterns) |  | X
Qt 3 Support (Qt3Support) | (X) | X
Help system (QtHelp) |  | X
D-Bus IPC support (QtDBus) | X | X
Qt Designer extension classes (QtDesigner) |  | X
Unit testing framework (QtTest) | X | X
Run-time form handling (QtUiTools) |  | X
Phonon Multimedia Framework |  | X
ActiveQt |  | <X>

(X) The Qt GUI Framework 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 GUI Framework Edition Classes
- Qt Full Framework 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.