Linked by Thom Holwerda on Thu 25th Sep 2008 15:29 UTC, submitted by Guido
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Member since:
2005-11-18
Qt's licensing is much more restrictive than GTK+'s though, especially with regard to using Qt in commercial software.
http://trolltech.com/products/qt/learnmore/licensing-pricing/licens... "
Well, it's just normal GPL, with an exception that allows use with some other licenses as well (some of which are normally incompatible with the GPLv2 or GPLv3).
Yes, if you want to develop proprietary applications with Qt, you have to pay a license fee. The TrollTechs^W^W^WNokia people need food on their tables as well. They used to have special license fees for start-ups and small businesses, and if it makes you or your developers much more productive, it's probably worth it.
This dual-licensing seems to work well, given the rapid progress that they are making:
http://labs.trolltech.com/blogs/
Of course, PyQt for proprietary software is a bit of a kludge, since you need to purchase a Qt license and a PyQt license it seems (it would be nice if you could just by a PyQt license which includes Qt).
Edited 2008-09-26 06:15 UTC