| Parent directory/ | - | - |
| u-boot/ | - | October 3, 2025 |
| u-boot-linaro/ | - | April 26, 2015 |
| u-boot-menu/ | - | August 12, 2025 |
| ubiquity/ | - | October 2, 2025 |
| ubiquity-slideshow-ubuntu/ | - | January 11, 2024 |
| ubufox/ | - | July 10, 2020 |
| ubuntu-advantage-desktop-daemon/ | - | October 2, 2025 |
| ubuntu-advantage-tools/ | - | October 3, 2025 |
| ubuntu-app-launch/ | - | July 10, 2020 |
| ubuntu-cloud-keyring/ | - | August 29, 2018 |
| ubuntu-cloudimage-keyring/ | - | May 3, 2015 |
| ubuntu-core-config/ | - | April 20, 2016 |
| ubuntu-core-launcher/ | - | February 13, 2019 |
| ubuntu-core-security/ | - | January 22, 2018 |
| ubuntu-defaults-builder/ | - | June 22, 2018 |
| ubuntu-docs/ | - | October 21, 2025 |
| ubuntu-drivers-common/ | - | October 21, 2025 |
| ubuntu-extras-keyring/ | - | September 28, 2010 |
| ubuntu-fan/ | - | April 14, 2022 |
| ubuntu-font-family-sources/ | - | January 22, 2018 |
| ubuntu-geoip/ | - | July 10, 2020 |
| ubuntu-image/ | - | November 21, 2024 |
| ubuntu-insights/ | - | October 2, 2025 |
| ubuntu-keyring/ | - | January 13, 2024 |
| ubuntu-meta/ | - | October 1, 2025 |
| ubuntu-raspi-settings/ | - | October 3, 2025 |
| ubuntu-release-upgrader/ | - | October 16, 2025 |
| ubuntu-report/ | - | October 2, 2025 |
| ubuntu-settings/ | - | September 25, 2025 |
| ubuntu-sounds/ | - | November 1, 2016 |
| ubuntu-sso-client/ | - | January 22, 2018 |
| ubuntu-system-service/ | - | December 29, 2020 |
| ubuntu-themes/ | - | March 7, 2024 |
| ubuntu-touch-sounds/ | - | August 11, 2015 |
| ubuntu-ui-toolkit/ | - | June 22, 2018 |
| ubuntu-virt/ | - | August 9, 2017 |
| ubuntu-wallpapers/ | - | September 4, 2025 |
| ubuntu-x13s-settings/ | - | September 27, 2025 |
| ubuntu-x1e-settings/ | - | September 27, 2025 |
| ubuntuone-client-data/ | - | October 7, 2015 |
| ubuntuone-dev-tools/ | - | January 19, 2018 |
| uc-micro-py/ | - | July 15, 2025 |
| ucf/ | - | May 24, 2025 |
| uchardet/ | - | October 2, 2025 |
| ucl/ | - | November 1, 2016 |
| ucpp/ | - | October 7, 2021 |
| udisks2/ | - | September 12, 2025 |
| udpkg/ | - | December 29, 2020 |
| ufw/ | - | January 22, 2025 |
| uhttpmock/ | - | January 19, 2018 |
| uid-wrapper/ | - | January 22, 2018 |
| ulex0.8/ | - | November 25, 2007 |
| umockdev/ | - | January 19, 2018 |
| unattended-upgrades/ | - | February 20, 2025 |
| unbound/ | - | October 7, 2025 |
| unclutter/ | - | November 1, 2016 |
| underscore/ | - | January 10, 2024 |
| unico/ | - | April 28, 2015 |
| unicode-cldr-core/ | - | February 17, 2025 |
| unicode-data/ | - | October 17, 2025 |
| unifont/ | - | December 23, 2021 |
| unionfs-fuse/ | - | November 1, 2016 |
| unittest2/ | - | January 14, 2024 |
| unity/ | - | April 30, 2019 |
| unity-action-api/ | - | April 6, 2017 |
| unity-api/ | - | January 23, 2018 |
| unity-asset-pool/ | - | June 6, 2017 |
| unity-control-center/ | - | June 22, 2018 |
| unity-firefox-extension/ | - | January 19, 2018 |
| unity-greeter/ | - | June 22, 2018 |
| unity-greeter-session-broadcast/ | - | July 10, 2020 |
| unity-gtk-module/ | - | June 22, 2018 |
| unity-lens-applications/ | - | July 10, 2020 |
| unity-lens-files/ | - | July 10, 2020 |
| unity-lens-friends/ | - | April 28, 2015 |
| unity-lens-music/ | - | July 10, 2020 |
| unity-lens-photos/ | - | July 10, 2020 |
| unity-lens-video/ | - | July 10, 2020 |
| unity-scope-audacious/ | - | September 29, 2013 |
| unity-scope-calculator/ | - | April 28, 2015 |
| unity-scope-chromiumbookmarks/ | - | July 26, 2013 |
| unity-scope-clementine/ | - | July 27, 2013 |
| unity-scope-colourlovers/ | - | July 27, 2013 |
| unity-scope-devhelp/ | - | April 28, 2015 |
| unity-scope-deviantart/ | - | July 27, 2013 |
| unity-scope-firefoxbookmarks/ | - | August 10, 2013 |
| unity-scope-gallica/ | - | August 18, 2013 |
| unity-scope-gdrive/ | - | December 15, 2015 |
| unity-scope-github/ | - | July 27, 2013 |
| unity-scope-gmusicbrowser/ | - | July 27, 2013 |
| unity-scope-googlenews/ | - | July 26, 2013 |
| unity-scope-gourmet/ | - | July 27, 2013 |
| unity-scope-guayadeque/ | - | September 29, 2013 |
| unity-scope-home/ | - | July 10, 2020 |
| unity-scope-manpages/ | - | April 28, 2015 |
| unity-scope-musique/ | - | July 27, 2013 |
| unity-scope-openclipart/ | - | July 27, 2013 |
| unity-scope-openweathermap/ | - | August 30, 2013 |
| unity-scope-soundcloud/ | - | July 27, 2013 |
| unity-scope-texdoc/ | - | April 28, 2015 |
| unity-scope-tomboy/ | - | July 26, 2013 |
| unity-scope-virtualbox/ | - | July 27, 2013 |
| unity-scope-yahoostock/ | - | July 27, 2013 |
| unity-scope-yelp/ | - | July 27, 2013 |
| unity-scope-zotero/ | - | July 27, 2013 |
| unity-settings-daemon/ | - | December 5, 2018 |
| unity-voice/ | - | January 22, 2018 |
| unity-webapps-qml/ | - | June 22, 2018 |
| unixodbc/ | - | October 2, 2025 |
| unmass/ | - | April 30, 2015 |
| unminimize/ | - | October 2, 2025 |
| unzip/ | - | October 2, 2025 |
| update-inetd/ | - | May 9, 2025 |
| update-manager/ | - | September 22, 2025 |
| update-motd/ | - | February 23, 2024 |
| update-notifier/ | - | October 4, 2025 |
| upower/ | - | October 2, 2025 |
| upstart/ | - | June 22, 2018 |
| upstart-app-launch/ | - | April 28, 2015 |
| ureadahead/ | - | April 23, 2019 |
| url-dispatcher/ | - | July 10, 2020 |
| urlgrabber/ | - | July 10, 2020 |
| urwid/ | - | November 21, 2024 |
| usb-creator/ | - | March 30, 2025 |
| usb-discover/ | - | November 9, 2018 |
| usb-modeswitch/ | - | July 16, 2024 |
| usb-modeswitch-data/ | - | May 24, 2024 |
| usb.ids/ | - | July 28, 2025 |
| usbmuxd/ | - | February 20, 2025 |
| usbredir/ | - | October 2, 2025 |
| usbutils/ | - | May 2, 2025 |
| user-setup/ | - | August 8, 2025 |
| usrmerge/ | - | January 30, 2024 |
| ust/ | - | May 2, 2025 |
| ustr/ | - | April 6, 2017 |
| utidylib/ | - | November 1, 2016 |
| util-linux/ | - | October 23, 2025 |
| uucp/ | - | October 2, 2025 |
| uvloop/ | - | December 29, 2020 |
| uzbek-wordlist/ | - | January 29, 2024 |