Obsessive-Compulsive Foundation 
Not-for-profit organization of people with OCD and related disorders, their families, and mental health professionals, providing support, assistance, and education to the public. Discussion of therapy and drug treatment options, effects in children, bulletin board.
http://www.ocfoundation.org/Internet Mental Health OCD Information
Articles on research, diagnosis, and treatment of OCD, as well as an online OCD self-test. Also includes links to OCD organizations and online resources for other anxiety disorders.
http://www.mentalhealth.com/dis/p20-an05.html
Again and Again
A large, organized collection of annotated links to OCD-related web sites.
http://www.geonius.com/ocd/
MentalHealthChannel - Obsessive Compulsive Disorder Information
Includes details on symptoms, prognosis, diagnosis and treatment.
http://www.mentalhealthchannel.net/ocd/
Awareness Foundation for OCD and Related Disorders
Non-profit organization promoting public awareness of OCD and related disorders through educational films and public presentations.
http://www.ocdawareness.com/
Dr. Randy Frost
Smith College researcher specializing in OCD, especially "hoarding". Links to articles on OCD and other anxiety disorders.
http://sophia.smith.edu/~rfrost/
eMedicine - Obsessive-Compulsive Disorder
Article, bibliography, and resources regarding the Obsessive-Comulsive Disorder.
http://www.emedicine.com/med/topic1654.htm
Anxieties.com OCD Information
Information on OCD and its treatment.
http://www.anxieties.com/index.php?nic=ocd
MentalHelp.net: Obsessive-Compulsive Disorder
Basic information including symptoms, treatments, and links to online resources.
http://mentalhelp.net/poc/center_index.php?id=6
OCD Action
British organization for individuals with OCD. Includes information on treatment, as well as links to various online resources.
http://www.ocdaction.org.uk/
OCD Youth
Information on this condition for young people, parents, teachers and professionals. Includes video and audio clips. From Maudsley Hospital, UK.
http://www.ocdyouth.info
USA Today: The Danger of Hoarding
Linked behaviors, tips on dealing with borderline behavior, discussion of the brain differences between hoarders and other OCD sufferers.
http://www.usatoday.com/news/health/2004-02-18-hoarding-usat_x.htm
OCD-UK
British charity provides information on OCD and related conditions, as well on therapy and treatment resources. Also lists support groups throughout UK.
http://ocduk.org
Pediatric Obsessive Compulsive Disorder Research
NIH resources on OCD in children.
http://intramural.nimh.nih.gov/pocd/
Overcome OCD
Explains the causes, symptoms and treatment options, and offers specific resources for patients and their families in Pennsylvania, USA.
http://members.aol.com/overcomeocd/
Program in Child Affective and Anxiety Disorders
Information on clinical research and treatment offered at Duke University in North Carolina.
http://www2.mc.duke.edu/pcaad/
Boss Back OCD
Help for children with this disorder, and their parents. Includes discussion group, user rated resources, and children's software to help with treatment.
http://www.bossbackocd.com
OCD Today
Information on this condition, including description of effective treatments, advice for family members, and schedule of UK support groups.
http://ocdtodayuk.org
