"This guest editorial by Jerry Epplin reviews and discusses the
history of Trolltech's open source licensing of Qt, Qt/Embedded,
and the Qt Palmtop Environment (QPE), and draws an interesting
comparison with customary practices in "free market" economies.
Epplin writes . . ."
"Most Linux users are aware of Qt, the GUI framework on which
the KDE desktop environment is based. In the Linux desktop
application development world, Qt competes with Gtk+, which forms
the basis for the Gnome desktop environment. Until recently
developers were faced with a choice between the pure open-source
licensing of Gtk+, which has what many consider to be a less
elegant programming model; and the somewhat more proprietary
licensing of Qt, which has a clean, intuitive, object-oriented
"The proprietary Qt license complicated the licensing of KDE,
which is distributed under the GPL and LGPL -- no one was quite
certain whether it was strictly legal to link it with the
proprietary-licensed Qt. But recent licensing changes by Trolltech
have removed the licensing issues, somewhat tipping the scales
toward Qt -- and, by extension, toward KDE in the desktop world."
Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. QuinStreet does not include all companies or all types of products available in the marketplace.