GPL

Нам пишуть:

Dear Qt User:
Nokia is pleased to announce that with the release of Qt 4.5 you will be able to use Qt under the Lesser General Public License (LGPL) version 2.1 terms. When released in March 2009, Qt will be made available under three licensing options: Commercial, LGPL and GPL. Prior versions of Qt are not impacted by this announcement.

Спасибо компании Nokia за поэкономленные 5 килобаксофф (скидки для Small business/Startup они отменили осенью)