Similar to Unity_(ユーザインタフェース)

Ubuntu-restricted-extras

Ubuntu Titling

Ubuntu Software Center

Uncomplicated Firewall

Upstart (software)

Wubi (software)

Canonical (company)

Mark Shuttleworth

Jane Silber

Template:Free-software-stub

Academic Free License

Alioth (Debian)

Ansible (software)

Apache Struts

Apache Wicket

AppStream

Aptitude (software)

Asahi Linux

AxKit

Free Software Foundation anti-Windows campaigns

Ballerina (programming language)

Banner (Unix)

Bitstream Vera

BSD licenses

Buildbot

Calligra Sheets

Coreboot

DNF (software)