Frameworks 5 is the next generation of KDE libraries, modularized and
optimized for easy integration in Qt applications. The Frameworks offer a
wide variety of commonly needed functionality in mature, peer reviewed
and well tested libraries with friendly licensing terms. There are over
70 different Frameworks as part of this release providing solutions
including hardware integration, file format support, additional widgets,
plotting functions, spell checking and more. Many of the Frameworks are
cross platform and have minimal or no extra dependencies making them easy
to build and add to any Qt application.

Homepage:
https://www.kde.org/
