Kubuntu 16.04 comes with KDE Applications 15.12 containing all your favourite apps from KDE, including Dolphin. Even more applications have been ported to KDE Frameworks 5 but those which aren’t, should fit in seamlessly. For a complete desktop suite of applications we’ve included some non-KDE applications such as LibreOffice 5.1 and Firefox 45
Kubuntu is a free, user-friendly Linux distribution based on KDE's desktop software and on the award-winning Ubuntu operating system. Kubuntu 16.04 LTS will be supported for 3 years.