- Canadian Down Syndrome Society
- Down Syndrome Association of Peterborough formerly known as C.H.A.N.G.E.S. (Children and Adults for Normalization, Growth, Equality, and Socialization)
- Down Syndrome Health Issues
- Down’s Heart Group (DHG) a charity offering support and information relating to heart conditions associated with Down’s Syndrome. [UK]
- Journal of Down Syndrome & Chromosome Abnormalities
- National Down Syndrome Congress The NDSC works to empower its members and all people with Down syndrome by creating a national climate in which all people will recognize and embrace the value and dignity of people with Down syndrome.
- National Down Syndrome Society is a national advocate for the value, acceptance and inclusion of people with Down syndrome.
- National Association for Down Syndrome NADS is the oldest organization in the country serving individuals with Down syndrome and their families.
Cynthia A. Lockley
The Web Diva for the Accessible Techcomm website since 2012. Fellow of the Society for Technical Communication. STC member since June 1979. A founder and former webmaster for the STC Special Needs Committee, which became the STC AccessAbility SIG (2001-2011).