General:

Swimming Australia
Swimming NSW
Southern Inland Swimming Association
Oasis Aquatic Centre – Wagga Wagga

Swimmers:

Swimming Australia Events Calendar
Swimming NSW Meet Calendar
Southern Inland Swimming (SISA) Meet Calendar
National Results Database (Results Central)
Swim Central
Yoga for Swimmers

Parents:

Swimming Australia Parent Handbook
Swimming Parents by Wayne Goldsmith
Questions from New Swim Parents

Coaches:

Australian Swimming Coaches & Teachers Association
Become a Coach

Officials:

Become an Official
Swimming NSW Online Training