KDE (iː) is an international free software community producing an integrated set of cross-platform applications designed to run on Linux, FreeBSD, Solaris, Microsoft Windows, and OS X systems. It is known for its Plasma Desktop, a desktop environment provided as the default working environment on many Linux distributions, such as openSUSE, Mageia... Found on http://en.wikipedia.org/wiki/KDE
K Desktop Environment (KDE) is an graphical desktop for Unix and Linux machine. Fancy terms for a different looking windowing system. Found on https://www.encyclo.co.uk/local/22605