The official information hub for the Ubuntu community, bringing together news, grassroots marketing, advocacy, team collaboration, and great original content.

A counter project aimed at promoting Ubuntu via weblog and forum signature buttons, while gathering potentially useful data about Ubuntu users.

Provides screenshots, screencasts, and usable virtual appliance images of each of the retired Ubuntu releases.

Official help and support forums for Ubuntu.

Contains logs of Ubuntu-related channels on the Freenode IRC network. The files are listed by date.

Official site; Commercially sponsored Debian-derived Linux distribution that focuses on usability, a regular 6-month release cycle, and a commitment to at least 18 months of security updates for every release.

A listing of all the public mailing lists on lists.ubuntu.com.

Provides package information from the official Ubuntu Package archive. Packages can be browsed by their contents and by selected criteria.

A guide explaining how to create and maintain packages for Ubuntu and other Debian-derived distributions.

A repository of community-edited information on all versions of Ubuntu.