Medical:

Adult Down Syndrome Center
Down Syndrome: Health Issues
Down Syndrome Research Foundation

Other:

Ability Online - Connecting kids with special needs for friendship and support

Band of Angels

Bernadette Resha.com - A wonderful artist (who has Down Syndrome)

Chris Burke - Offical Web Site for Chris Burke

Community Support Services - Community Support Services, Inc. is a private, not-for-profit service agency that initiates, provides and promotes services for people with developmental disabilities and their families, within their own communities, in order to strengthen their independence, self-esteem, and ability to participate in and contribute to community life.

Diagnosis Down Syndrome

Down Syndrome for New Parents

Down's Heart Group

Early Intervention Clearinghouse

Michael Jurogue Johnson - A great artist (who has Down Syndrome) selling wonderful artwork

Mosaic Down Syndrome on the Net

Pujols Family Foundation

Special Needs.com

downsyndromepregnancy.org