Xubuntu是一份基于Ubuntu的linux發行。然而與Ubuntu不同的是，Xubuntu采用輕量級的XFce桌面環境，并面向低端機器作了優化。該發行盡可能地只包含GTK+應用軟件。
Next, it's the turn of Xubuntu to announce their latest release, version 8.04: "The Xubuntu developers are constantly bringing you the absolute latest and most stable software that the open source and free software communities have to offer. This is their latest result: the Xubuntu 8.04 LTS, which brings a host of Excellent new features: Xfce 4.4.2, featuring the latest round of bug fixes from the steadily-improving Xfce 4 desktop environment; Linux kernel 2.6.24; PolicyKit with fine-grained control over user permissions, PulseAudio sound server; X.Org 7.3; the settings manager; Thunar file browser, Firefox 3.0 beta 5; Brasero and Transmission..." Read the rest of the release notes for more information. Download (MD5): xubuntu-8.04-desktop-i386.iso (544MB, torrent), xubuntu-8.04-desktop-amd64.iso (551MB, torrent).