Slackware is, and most of its derivatives like SalixOS. The mainline comes with older KDE version: 4.8.5 -- but a longtime contributor, Alienbob, provides recent compilations at http://alien.slackbook.org/blog/kde-releases-4-9-3/
There you go: http://goo.gl/ZowwQ
64 GNU/Linux distributions that use KDE. Rock and Roll!
I personally use ArchLinux x86_64 with KDE 4.9.3 => UberAwesome!
OpenSuse seems like a good one.It uses KDE by default.
This is technically incorrect, since both Gnome and KDE are first-class citizens (and so is XFCE). You get to choose upon installation, and all three DEs are in the official main repository.
(This is just a minor correction. By all means, go with openSUSE, KDE support has been excellent for me over the years.)
I have only heard good things about Chakra[1], but unfortunately I have yet to try it out myself.
It's based on Arch linux and tries to be as pure KDE/Qt as possible.
Re:15 years of KDE e.V.
by ontheotherhand on Friday November 30, 2012 @05:18AM
(#4852643)
OpenSUSE hands down.
Does anyone have any recommendations? The sheer number of distros on Distrowatch is a little overwhelming.