FRS is a friendly community hosting leagues & races in ACC/iRacing/F1 as well as other sims
Race Cup Series has been created to promove events in ACC and Gran Turismo on console
UEFS was created as a way for beginners and professionals alike to have a fun and thoroughly enjoyable racing experience
SPX Racing Eventi
Croco Racing Community (CRC) is a sim-racing organizer that introduces sim-racing competitions to all levels of enthusiasts, Rookie or Pro.