International Amateur Radio Union Monitor System
- Group monitors amateur radio bands to identify intruders; membership and contact information, links.
- http://www.amateur.radio.org.nz/nzart/ms/

United Kingdom Internet Protocol Group
- Resource for developing and running TCP/IP over Amateur Radio in England.
- http://www.taurus2.plus.com/ukip/

Bicycle Mobile Hams of America
- Resources include club information, announcements, roster, activities, and newsletter archive.
- http://www.lafetra.com/bmha/

No-Code International
- An organization dedicated to the abolition of the Morse Code requirement for Amateur Radio licenses.
- http://www.nocode.org

Handi - Ham
- The Courage HANDI-HAM system - Amateur radio information for persons with disabilities.
- http://www.handiham.org/

AB4FK
- Flying Boat Amateur Radio Society with membership information, member listing, net schedules, membership e-mail addresses, and photos.
- http://www.qsl.net/ab4fk/fbars/index.html

ISS Fan Club
- These space enthusiasts follow ISS missions and contact crews by amateur radio. Offers news, forums and tracking information.
- http://www.issfanclub.com/

International League of Esperantist Radio Amateurs
- Member and prospective-member resource with club information, net schedules, packet radio, photos and links.
- http://esperanto.org/ilera/

International Association of Railway Radio Amateurs
- General information publication; affiliated groups, member listings, conference schedules and membership information.
- http://webplaza.pt.lu/public/firac

Grupo Argentino de CW
- Argentine group with an emphasis on Morse Code.
- http://gacw.no-ip.org