National Autistic Society
Hampshire Autistic Society
A directory of Asperger syndrome support groups
Tony Attwood's home page
British Council of  Disabled People
The Association of Disabled Professionals

A survival guide for people with Asperger syndrome Written by the late Marc Segar
Asperger Advice
Autism and Computing
Asperger's syndrome foundation
Asperger syndrome helpsite for teenagers and adults
Aspergernauts
Colour-se7en

Wrongplanet
Asperger and ASD UK Online Forum
ASD Friendly
Asperger Home Education

Jessica Kingsley Publishers sell plenty of books about Asperger syndrome
The documentary about Luke Jackson
Videos to help adolescents and young adults who have Asperger syndrome