American Hyperlexia Association
A non-profit organization comprised of parents and relatives of children with hyperlexia, speech and language professionals, education professionals, and other concerned individuals with the common goal of identifying hyperlexia, promoting and facilitating effective teaching techniques both at home and at school, and educating the general public as to the existence of the syndrome called hyperlexia.

Canadian Council on Social Development: Disability Research Information
Children with disabilities, special education in Canada, children and youth with special needs.

Canadian Down Syndrome Society
A vital resource linking parents and professionals through advocacy, education and providing information.

Canadian Federation of Mental Health Nurses (CFMHN)
CFMHN is by mental health nurses for mental health nurses and strives to ensure a national voice in matters relevant to mental health nursing.

C.H.A.D.D. Canada
A non profit parent run organization that aims to help support, educate, and ultimately better the lives of individuals with ADD and those who care for them.

ConnectTra Society
Dedicated to encouraging and enabling people with physical disabilities to contribute to their communities by fostering community support and establishing relationships that reward personally and financially.

Dr. Geoff Thorley (UK)
Dr Thorley is Consultant and Head Clinical Psychologist for the Leicestershire Mental Health Service.  His NHS Clinic accepts referrals from a wide range of health professionals, social workers and educational psychologists. Young people up to the age of 18 years and their families are offered help with a wide range of mental health difficulties. Private consultations are also available at clinics in Leicester, Peterborough and London.

Early Intervention Canada
This site is intended to inform researchers, policymakers, practitioners, parents, families, and other stakeholders about early intervention for young children with developmental delays/disabilities and their families across Canada.

FAS Link
FASlink is the Canadian Fetal Alcohol Spectrum Disorders Internet support, information, advocacy and discussion forum.

First Signs
Our organization aims to educate parents, healthcare providers, early childhood educators, and other professionals in order to ensure the best developmental outcome for every child. Our goals are to improve screening and referral practices and to lower the age at which young children are identified with autism and other developmental disorders.

International Rett Syndrome Association
The most comprehensive worldwide organization dedicated to Rett syndrome. Provides information, support, research and awareness.

LD On-Line
The world's leading web site on learning disabilities and ADHD, serving more than 220,000 parents, teachers, and other professionals each month.

LD Pride On-Line
This site was originally conceived in 1998 by Liz Bogod, an adult with learning disabilities. Information on learning disabilities.

Learning Disabilities Association of Canada
The organization's mission is to be the national voice for persons with learning disabilities and those who support them. LDAC is dedicated to a level playing field for individuals with learning disabilities to enable them to function as citizens with equitable opportunities and to develop to their chosen potential.

Life's a Twitch
Dr. McKinlay is a registered Psychologist with the College of Psychologists of Ontario, practicing with children and adolescents in the areas of clinical and school psychology. He is currently working for the Child and Parent Resource Institute in London, Ontario, Canada. Dr. McKinlay's site provides information on Tourette Syndrome.

Linda Hodgdon
Linda’s newly designed website has some terrific offerings. She has a free newsletter called Visual Buzz, which is geared for anyone working with developmental disabilities. One part of the website is dedicated to printable visual strategy information. You can also e-mail your questions to Linda.

The National Educational Association of Disabled Students
Encourgaing the self-empowerment of post secondary students with disabilities.

NLDLine
Nonverbal learning disorder (NLD) website which features articles, news, information on NLD and forums.

Nonverbal Learning Disorder Association (NLDA)
NLDA is a non-profit corporation dedicated to research, education, and advocacy for nonverbal learning disorders.

Nonverbal Learning Disorder on the Web (NLD)
Whether you are the parent of a newly diagnosed child, a teacher looking for information on this disorder, or a professional interested in broadening your understanding of NLD, we hope you find this web site helpful.

Ontario Association on Developmental Disabilities
The Ontario Association on Developmental Disabilities exists to support professionals and students working and pursuing careers in the field of developmental disabilities.

OPHQ
Government of Quebec website on intellectual disabilities.

Parents for Inclusion (UK)
Parents for Inclusion is a network of parents of disabled children and children with 'special needs'. In our families and as an organisation we have worked together with disabled people to build inclusive communities in ordinary life, where all people are truly welcome.

Persons with Developmental Disabilities
The PDD Alberta Provincial Board develops, implements, and evaluates a provincial plan for the delivery of supports to adults with developmental disabilities. The Provincial Board also coordinates, funds, monitors, and assesses Community Boards in the carrying out of their activities.

Prader-Willi Syndrome Association
Dedicated to serving individuals affected by Prader-Willi Syndrome (PWS), their families, and interested professionals.

Rett Syndrome Association UK
A national organisation giving help, advice and support to parents, carers, siblings and professionals, in fact anybody involved with a child or adult who has Rett syndrome.

Rett Syndrome Research Foundation
RSRF's mission is to fund, promote and accelerate biomedical research for the treatment and cure of Rett Syndrome.

SENSE UK
Sense is the UK's leading organisation for children or adults who are deafblind or have associated disabilities.

The Sibling Support Project of The Arc of the United States
Our mission is accomplished by training local service providers on how to create community-based peer support programs for young siblings; hosting workshops, listservs, and websites for young and adult siblings; and increasing parents' and providers' awareness of siblings' unique, lifelong, and ever-changing concerns through workshops, websites, and written materials.

Tourette-Syndrome.com
The internet's first on-line community devoted to children and adults with Tourette Syndrome (TS) disorder and their families, friends, teachers and medical professionals.

Tourette Syndrome Foundation of Canada
The Foundation disseminates educational material to individuals, professionals and agencies in the fields of health care, education and government through its local affiliates. These Chapters, Resource Units and Contact Representatives across the country help TS patients and their families cope with the problems that so often occur with a diagnosis of TS. In collaboration with the National body they help raise much needed awareness in their respective communities.

Tourettes-Disorder
Our mission at Tourettes-Disorder.com is to give hope and encouragement to those searching to understand Tourette’s Disorder also referred to as Tourette Syndrome, Tourettes, and sometimes Tourette Spectrum Disorder. 

Williams Syndrome Association
Informative site about Williams Syndrome.