Inetadler

... Kubuntu, openSUSE, Fedora, Arch what is DSP (StyleProject)? -> "StyleProject is a style for qt4 and qt5 that requires kde for the window decoration." You definitely need an installation of "KDE5" (Since we all know what is meant, even there is no KDE5) or KDE4! for installation and configuration have also a look here: http://sourceforge.net/p/styleproject/wiki/browse_pages/ Kubuntu 15.10, 16.04 and KDE Neon (does not work for Kubuntu 15.04) Update 19.04.2016: because of too old KWin versions in Kubuntu it does currently not compile! Update 07.05.2016: you can try to update your "KDE" with this ppa: https://launchpad.net/~kubuntu-ppa/