Dutch J22
- Offers discussion forum, crew pool, calendar, registration, results, maintenance, suppliers, and photos. [English, Dutch]
- http://www.j22.nl/

J/92 Class Association
- Learn all about the Class, the J92 in Europe, racing schedules and results, buy/sell information, news, forum and owners list.
- http://www.sailingsource.com/j92/

J/80 Class Association
- Includes membership list, class rules, regatta schedules and results, performance ratings, photo gallery, articles, forum, classifieds and links.
- http://www.j80.org

J/35 Class Association
- All about the J/35 Class, boats for sale, fleet news, used boat reviews, schematics, and national email forum.
- http://sailingsource.com/j35/

J/30 Class Association
- Includes J/30 technical information, fleet and regatta data, FAQs, owner's directory, cruising information, photo album and class/team links.
- http://sailingsource.com/j30/