Qt Reference Documentation

- Qt 4.8
- ALL VERSIONS

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# Qt Editions

Qt can be used to create both commercial and non-commercial software for a wide range of different deployment environments, and is supplied in a number of different forms to suit the needs of different kinds of developers.

In terms of license conditions, there are two main forms of Qt:

- The Qt Commercial Edition is the commercial version of Qt which can be used to create closed source software.
- The Open Source Versions of Qt are freely available for download.

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.