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The Qt Commercial Edition is the commercial version of Qt.
The Qt Open Source Edition is the non-commercial version of Qt. It is freely available for download.
You may write commercial, proprietary, or otherwise non-free software only if you have purchased the Commercial Edition. The Commercial Edition also entitles you to technical support and upgrades. Qt for Microsoft Windows is only available in the Commercial Edition.
The two editions are functionally equivalent, with the exception of 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.
Copyright © 2005 Trolltech | Trademarks | Qt 4.0.0-rc1 |