Stable

• WartyWarthog (4.10; Released October 20, 2004)

• HoaryHedgehog (5.04; Released April 8, 2005)

• BreezyBadger (5.10; Released October 13, 2005)

• DapperDrake - (6.06; Released June 1, 2006)

Beta Testing

Planning

• EdgyEft (6.10; Planned for October 2006)

Release Schedule

Ubuntu releases every six months, one month after each Gnome release

Variants of Ubuntu

• ["Kubuntu"] (Ubuntu with KDE instead of Gnome)
• ["Edubuntu"] (Ubuntu focused on education)
• ["Xubuntu"] (Ubuntu with XFCE instead of Gnome)

• GrumpyGroundhog (an Ubuntu-derived distribution containing a "crack-of-the-day" set of packages)