Qt has CLA but it doesn't put the code under the danger of being closed because of the KDE agreement with Trolltech. Digia can change the license but the code at the moment of the change can be released by KDE under BSD. http://www.kde.org/community/whatiskde/kdefreeqtfoundation.php
Re: Qt
Digia can change the license but the code at the moment of the change can be released by KDE under BSD.
http://www.kde.org/community/whatiskde/kdefreeqtfoundation.php