Mississauga Mixed Recreational Slo-Pitch League (MMRSL)
- The purpose of the MMRSL is to provide co-ed amateur slo-pitch softball to Mississauga residents who are 19 years of age and over at registration.
- http://www.mmrsl.com/

San Francisco Adult Municipal Softball League
- Schedules, standings, rules, bat lists, roster forms, team pictures and announcements for its Open, Co-Ed, Women's and Seniors divisions.
- http://www.sfsoftball.com/

Cutting Edge Sports, Inc.
- Softball leagues in Pennsylvania for adult men and women.
- http://www.cuttingedgesports.net/