This projects found HScalc useful and spread the word within their communities. High five!
http://turniri.ru - Russian cybersport league: Hearthstone, Dota 2, FIFA, PES.
http://warcry.ru - Official Russian fan-site of World of Warcraft, Diablo III, Hearthstone.
http://sketo.ru - Multilanguage platform to create your own tournament for Hearthstone. Currently in development.