Education Otherwise is a national organisation supporting all aspects of home education
Home Education Advisory Service HEAS was established in 1995 by a group of experienced home educators in order to provide good quality information on both the legal and practical aspects of home education.
HESpecial a group of families who Home Educate children with Special Educational Needs. There are pages here on Aspergers and Dyslexia too
Oxfordshire Home Educators have a Yahoo group called Oxon HE for support, advice and sharing information about local activities.