Package list: page 881
- uap-core
- uapevent
- uaputl
- ubelt
- uber-pom
- ubertooth
- ubh
- ubiquity-extension
- ubit
- ublock-origin
- uboot-envtools
- uboot-mkimage
- ubuntu-dev-tools
- ubuntu-keyring
- ubuntu-packaging-guide
- ubuntulooks
- uc-echo
- uc-micro-py
- ucarp
- ucblogo
- ucbmpeg
- ucbmpeg-play
- ucc
- ucd-snmp
- ucf
- uchardet
- uci2wb
- ucimf-chewing
- ucimf-openvanilla
- ucimf-sunpinyin
- ucl
- uclibc
- uclmmbase
- ucommon
- ucpp
- ucrpf1host
- ucspi-proxy
- ucspi-tcp
- ucspi-tcp-src
- ucspi-unix
- ucto
- uctodata
- ucx
- ud
- udav
- uddi4j
- ude
- udev
- udevil
- udfclient
- udftools
- udhcp
- udiskie
- udisks
- udisks-glue
- udisks2
- udisks2-qt5
- udj-desktop-client
- udm
- udns