$ cat /etc/redhat-release 
Scientific Linux release 6.6 (Carbon)

$ wmctrl -m
Name: KWin

$ rpm -qa|grep -i nvidia|sort
kmod-nvidia-340.65-1.el6.elrepo.x86_64
nvidia-x11-drv-32bit-340.65-1.el6.elrepo.x86_64
nvidia-x11-drv-340.65-1.el6.elrepo.x86_64
$ cat /proc/driver/nvidia/version 
NVRM version: NVIDIA UNIX x86_64 Kernel Module  340.65  Tue Dec  2 09:50:34 PST 2014
GCC version:  gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) 

$ rpm -qa|grep libre|grep 4\.4|sort
libobasis4.4-librelogo-4.4.0.3-3.x86_64
libreoffice4.4-4.4.0.3-3.x86_64
libreoffice4.4-base-4.4.0.3-3.x86_64
libreoffice4.4-calc-4.4.0.3-3.x86_64
libreoffice4.4-de-4.4.0.3-3.x86_64
libreoffice4.4-dict-de-4.4.0.3-3.x86_64
libreoffice4.4-dict-en-4.4.0.3-3.x86_64
libreoffice4.4-dict-es-4.4.0.3-3.x86_64
libreoffice4.4-dict-fr-4.4.0.3-3.x86_64
libreoffice4.4-draw-4.4.0.3-3.x86_64
libreoffice4.4-en-GB-4.4.0.3-3.x86_64
libreoffice4.4-en-US-4.4.0.3-3.x86_64
libreoffice4.4-fr-4.4.0.3-3.x86_64
libreoffice4.4-freedesktop-menus-4.4.0-3.noarch
libreoffice4.4-impress-4.4.0.3-3.x86_64
libreoffice4.4-math-4.4.0.3-3.x86_64
libreoffice4.4-ure-4.4.0.3-3.x86_64
libreoffice4.4-writer-4.4.0.3-3.x86_64

$ rpm -qa|grep kdebase|sort
kdebase-4.3.4-6.el6.x86_64
kdebase-libs-4.3.4-6.el6.x86_64
kdebase-runtime-4.3.4-9.el6.x86_64
kdebase-runtime-libs-4.3.4-9.el6.x86_64
kdebase-workspace-4.3.4-28.el6_5.x86_64
kdebase-workspace-libs-4.3.4-28.el6_5.x86_64
kdebase-workspace-wallpapers-4.3.4-28.el6_5.noarch

$ rpm -qa|grep xorg|sort
xorg-x11-apps-7.7-6.el6.x86_64
xorg-x11-docs-1.3-6.1.el6.noarch
xorg-x11-drv-apm-1.2.5-10.el6.x86_64
xorg-x11-drv-dummy-0.3.6-15.el6.x86_64
xorg-x11-drv-evdev-2.8.2-4.el6.x86_64
xorg-x11-drv-fbdev-0.4.3-16.el6.x86_64
xorg-x11-drv-intel-2.99.911-6.el6.x86_64
xorg-x11-drv-keyboard-1.8.0-1.el6.x86_64
xorg-x11-drv-modesetting-0.8.0-14.el6.x86_64
xorg-x11-drv-mouse-1.9.0-1.el6.x86_64
xorg-x11-drv-vesa-2.3.2-15.el6.x86_64
xorg-x11-drv-void-1.4.0-23.el6.x86_64
xorg-x11-drv-wacom-0.23.0-4.el6.x86_64
xorg-x11-fonts-100dpi-7.2-9.1.el6.noarch
xorg-x11-fonts-75dpi-7.2-9.1.el6.noarch
xorg-x11-fonts-ISO8859-1-100dpi-7.2-9.1.el6.noarch
xorg-x11-fonts-ISO8859-15-75dpi-7.2-9.1.el6.noarch
xorg-x11-fonts-ISO8859-1-75dpi-7.2-9.1.el6.noarch
xorg-x11-fonts-misc-7.2-9.1.el6.noarch
xorg-x11-fonts-Type1-7.2-9.1.el6.noarch
xorg-x11-font-utils-7.2-11.el6.x86_64
xorg-x11-proto-devel-7.7-9.el6.noarch
xorg-x11-server-common-1.15.0-25.sl6.x86_64
xorg-x11-server-utils-7.7-2.el6.x86_64
xorg-x11-server-Xorg-1.15.0-25.sl6.x86_64
xorg-x11-twm-1.0.3-5.1.el6.x86_64
xorg-x11-util-macros-1.17-2.el6.noarch
xorg-x11-utils-7.5-6.el6.x86_64
xorg-x11-xauth-1.0.2-7.1.el6.x86_64
xorg-x11-xdm-1.1.6-14.1.el6.x86_64
xorg-x11-xfs-1.0.5-7.el6.x86_64
xorg-x11-xinit-1.0.9-14.el6.x86_64
xorg-x11-xinit-session-1.0.9-14.el6.x86_64
xorg-x11-xkb-utils-7.7-4.el6.x86_64