Arizona Heart 2 Heart
- Organization which provides support, education, and information for families of children with congenital heart defects(CHD).
- http://www.azheart2heartsupport.org/

Saving Little Hearts
- An organization dedicated to helping children with congenital heart defects and their families by providing financial and emotional assistance and educational information.
- http://www.savinglittlehearts.com

Yahoo! Groups
- Support group for children and adults with congenital heart defects.
- http://groups.yahoo.com/group/congenitalheartdefectsupport/

The Children's Heart Society
- Information about this non-profit, volunteer based support group, dedicated to helping families affected by Congenital Heart Disease/Defects.
- http://www.childrensheart.org/

Hope For Children with HLHS
- To bring together families and children living each day with the trials and triumphs of Hypoplastic Left Heart Syndrome. Photos, event calendar, and chat.
- http://groups.yahoo.com/group/HopeforchildrenwithHLHS/

Yahoo! Clubs grandparentsofchd
- Provides support, friendship and a common meeting place.
- http://groups.yahoo.com/clubs/grandparentsofchd

Yahoo! Groups congenitalheartdefectsupport
- Raising and supporting each other who has a child or is an adult with CHD.
- http://groups.yahoo.com/clubs/congenitalheartdefectsupport

Little Hearts
- A non profit organization that provides support, resources, and hope to families affected by congenital or acquired heart defects. Primarily the New England and surrounding states.
- http://www.littlehearts.net/

Friends' Health Connection
- A nonprofit network that connects people with similar health problems for the purpose of mutual support.
- http://www.48friend.org/

Kids with Heart
- Providing support, education, and information for families of children and adults.
- http://www.execpc.com/~kdswhrt/index.html

CHDhope
- For parents, friends, and relatives of people with congenital heart defects. Hoping to provide support, encouragement and understanding to families going through a very difficult time.
- http://groups.yahoo.com/group/CHDhope