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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:
You may write commercial, proprietary, or otherwise non-free software only if you have purchased one of the Commercial Editions. If you purchase a Commercial Edition, you are entitled to technical support and upgrades on any supported platform.
Each Edition is available in a variety of different forms:
Feature | Console | Desktop Light | Desktop |
---|---|---|---|
Qt Core classes | X | X | X |
Qt GUI classes | X | X | |
Networking | X | X | |
OpenGL | X | ||
Database/SQL | X | X | |
XML | X | X |
The Commercial Desktop Edition also contains three database drivers (Oracle, IBM DB2, and Sybase), which are not included in the Open Source Edition because of license restrictions in the closed-source client libraries used to implement the drivers.
Users of Commercial Editions can also take advantage of Qt Designer's support for commercial Integrated Development Environments.
Copyright © 2005 Trolltech | Trademarks | Qt 4.0.0 |