Yass is open-source and free, developed in free time. Donations fund this web site. Your name/nickname will become listed here.

Antmannz (NZ), 10 Euro, Jan 2010 Ultrastar España, 10 Euro, Feb 2012 marague248 (Ultrastar España), 10 Euro, Aug 2013
Daggeg, 10 Euro, Feb 2014
Anonymous, 5 Euro, August 2014
Tim W., 15 Euro  Dez 2021

Many thanks!