USSSA Slowpitch

National programs for fast and slow pitch softball, as well as baseball, basketball, golf, soccer and volleyball.
http://www.usssa.com/sports

British Columbia Amateur Softball Association

Official governing body for softball in British Columbia, Canada.
http://www.softball.bc.ca/

Independent Softball Association

Softball organization that sponsors fastpitch tournaments and a world series.
http://isasoftball.com

PA Softball

Forums, tournament information (ASA, NSA, Pony, USSSA, and ISA), and other softball information from the Mid-Atlantic region.
http://www.pa-softball.com/