In the initial years #KDE was major threat to software freedom. KDE itself was free software but it depended on proprietary (then) QT libraries.
QT became free software in 1999 with the release of QT 2.0.
Maybe we should celebrate KDE as a 22 years old free software project. :)
A instance dedicated - but not limited - to people with an interest in the GNU+Linux ecosystem and/or general tech. Sysadmins to enthusiasts, creators to movielovers - Welcome!