Indeed, there even was an attempt to produce an open source clone of Qt for KDE when Gnome was still getting started: https://en.wikipedia.org/wiki/Harmony_(too

Indeed, there even was an attempt to produce an open source clone of Qt for KDE when Gnome was still getting started: https://en.wikipedia.org/wiki/Harmony_(toolkit) https://en.wikipedia.org/wiki/Harmony_(toolkit)