The ISSA promotes senior softball worldwide for men and women over the age of 50. They conduct the ISSA World Championships each year.

News, history of NSAD, directory, regions, tournaments, by-laws, rules, umpires,message board, links.

Gay softball leagues in about 30 cities with two divisions: Open and Women's.

Sanctions tournaments and championships, registers players, writes the rulebook, publishes Senior Softball-USA News, hosts international softball tours and promotes senior/master-level softball.

Softball Canada is the governing body for the sport of Softball in Canada, providing softball opportunities for all Canadians, through the development, delivery and promotion of programs and services, both domestically and internationally.

A National Softball organization, established in North Carolina in 1984. Sanctioning all types of softball from Adult, Girl's FastPitch, Girl's and Boy's Slow Pitch

Slo-Pitch National - Canada's largest adult slo-pitch organization, administering the Molson Slo-Pitch tournament program.

Official site of and governing body for the United States Specialty Sports Association.