Latest update: 9.04 is Out in the Wild

What is Kubuntu?

Kubuntu is a free, user-friendly operating system based on the K Desktop Environment and on the award winning Ubuntu operating system. With a biannual release cycle and at least 18 months of free security updates for each release, it is the secure, stable computing environment you've been waiting for. Take the tour or hear what our users have to say.

Latest news

KDE 4.3 RC 1 Available

Submitted on Thu, 2009-07-02

The release candidate is out from KDE for the upcoming 4.3.

Users of the Karmic development release can upgrade to the latest packages.

Users of our stable 9.04 release can install it from the Kubuntu Backports PPA.

deb http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu jaunty main

Note that these packages have a bug which causes X to die during the upgrade. The upgrade will continue and you can reboot when it is done.

First KOffice Update, 2.0.1

Submitted on Sun, 2009-06-28

KOffice 2 has received its first update in KOffice 2.0.1. Packages are available for our development Karmic version by installing koffice-kde4. Users of the stable 9.04 can install it from our Kubuntu backports archive.

Karmic Alpha 2 Released

Submitted on Mon, 2009-06-15

The second alpha of our development version has been released for testing.

KDE 4.3 Beta 2

Submitted on Wed, 2009-06-10

A second beta is out from KDE for the upcoming 4.3.

Users of the Karmic development release can upgrade to the latest packages.

Users of our stable 9.04 release can install it from the Kubuntu Backports PPA.

deb http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu jaunty main

Amarok 2.1 Rocks the World

Submitted on Wed, 2009-06-03

Music playing application Amarok has rocked the world with their 2.1 release.


Packages are available for Kubuntu. Users of the Karmic development release can upgrade their Amarok packages. Users of our stable 9.04 release can install it from the Kubuntu Backports PPA.

deb http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu jaunty main