Weekly online tournaments, formerly hosted by r/streetfighter mods, but now split off into its own thing. Come and test you skills against some seasoned players.
A Newbie friendly fighting game community. It has many people willing to share their knowledge and help new players. They host coaching nights, tournaments, you can also find sparring partners in this very active server.
A SF6 hangout for character specific combos & tech. The one-stop place for character specific techs and match up knowledge, hosted by several discord mods from the previous Street Fighter games