Hatsune Miku
Since the success of her Vocaloid 2 package led to an expansion of marketing possibilities, most of the mass marketing has come after her initial release as a response to her popularity and has been on going since 2008. Even with the addition of other Character Vocals, Miku's name continues to be used as the primary source of marketing for Crypton Future Media, to the point where most products for their Vocaloid related products will usually only feature Hatsune Miku's name. In March 2012, the Nomura Research Institute estimated that the sales of all Hatsune Miku brand goods added up into the region of since her release in 2007. Her name is easily the most recognizable of all Vocaloids.
MikuMikuDance
The software was released as freeware. The models of the Vocaloid mascot series provided with the software are subject to the PiaPro Character License, and are not allowed to be used without permission for commercial reasons. Although the software is distributed freely, models released independently of the software may not be — original produced models, motion data, and landscapes may be subject to their creator's own rules. The program does not standardly include all of the Vocaloid characters, but it includes Hatsune Miku, Kagamine Rin, Kagamine Len, Kaito, Meiko, and Megurine Luka; and although Yowane Haku and Akita Neru are not official Vocaloids, they became so popular that Crypton officially licensed and added them to .