Ubuntu | Server | Kylin

Community-supported flavours recognized by Canonical
Edubuntu | Kubuntu | Lubuntu | Ubuntu Budgie | Ubuntu Cinnamon | Ubuntu MATE | Ubuntu Studio | Ubuntu Unity | Xubuntu

Third party
Bodhi Linux | elementary OS | Emmabuntüs | KDE neon | Linux Lite | Linux Mint | LXLE | Peppermint OS | Pop!_OS | Regolith | Trisquel | UBports | UbuntuDDE | Voyager Ubuntu | Zorin OS

Discontinued
BackBox | EasyPeasy | Gobuntu | Mythbuntu | Ubuntu GNOME | Ubuntu JeOS | Netbook Edition | wattOS | GalliumOS

Ubuntu | Ubuntu Server | Ubuntu Kylin

Software
Bazaar | Juju | Landscape | LightDM | Mir | Snappy | Software Updater | Ubiquity

Support
Ask Ubuntu | Launchpad

Discontinued
Ubuntu for Android | Ubuntu One | Unity | Upstart | Usplash | Wubi | XSplash