KUbuntu是基於Ubuntu的發行。Kubuntu光盤在Ubuntu的基礎上增加了KDE。如果你安裝Ubuntu並且從Ubuntu檔案庫中增加KDE，你將獲得完全相同的效果。
Jonathan Riddell has announced the release of Kubuntu 9.04, an Ubuntu variant featuring the latest KDE 4 desktop environment: "The Kubuntu team is proud to announce the release of Kubuntu 9.04, the Jaunty Jackalope! Kubuntu 9.04 includes an upgraded desktop containing many bug fixes, new configuration options, as well as many new and updated applications: KDE 4.2, containing many new features, including significant refinements of Plasma and KWin, the KDE workspace, many new and updated Plasma widgets, new and improved desktop effects (enabled by default), the return of the optional 'Classic Desktop' motif as an option; new in System Settings are tools for managing software and printer configuration; Quassel, a new IRC client; Amarok 2.0.2, KTorrent 3.2, Digikam 0.10.0...." See the rest of the release announcement for a more detailed overview of the release. Download (MD5): kubuntu-9.04-desktop-i386.iso (696MB, torrent), kubuntu-9.04-desktop-amd64.iso (695MB, torrent).
