Hello Guys, i am a guy who organises online tournaments, we use Fightcade 1 and 2, Mednafen and Parsec, i will post challonge links here, the details are in the links.
https://challonge.com/tournaments/signup/Zaavfupb4F
Waku waku 7
https://challonge.com/tournaments/signup/hxyuNF36h1
Super Street Fighter 2 Grand master Challenge