The Dragon Ball Multiverse (also shortened to DB Multiverse or DBM) is a fan created Manga, created by two fans called Gogeta Jr and Salagir. Translated into around 24 different languages, Dragon Ball Multiverse is able for purchase in many places. Including many of the orignal Dragon Ball Z characters, it is set after DBZ's Majin Buu Saga.
A species of aliens called the Vargas in one universe discover the technology that allows them to travel between universes. They then use this machine to travel to different universes and ask the strongest fighters of each universe to participate in a tournament. The Gods, (The Kais) wanted the universes to stay closed from each other, but they came to an agreement that this tournament will be allowed to happen, then the universes will be closed to each other again. The winner of the Tournament will be allowed three wishes from the Namekian Dragon Balls.
Languages that the site and manga have been translated into: