Discord server where league communication occurs.
Southern Central Amorical Regional Series (SCARS) is a multi-state organization under NAF to support tournaments. SCARS has it's own Discord server.
The NAF is a global community organization to support Blood Bowl. They are the top level for almost all of the Blood Bowl tournaments in the world.
Official Blood Bowl website by Games Workshop. Hopefully we will be adding some more official links after the new edition is released.