General Diabetes Information

American Diabetes Association
Joslin Diabetes Center
Diabetes and Health
The Diabetes Mall
Diabetes Research Information Center
Insulin Pumpers
Georgetown University Imaging Science & Information Systems (ISIS) Center
Georgetown University

Medical Advice

Diabetes Directory from the NIH
by the National Institute of Diabetes & Digestive & Kidney Diseases (NIDDK)
Diabetes Symptoms Resource
InteliHealth: Diabetes

Medical Education

American Association of Diabetes Educators
The Benefits and Risks of Controlling Blood Glucose Levels in Patients With Type 2 Diabetes Mellitus
The Biochemistry of Type 1 and 2 Diabetes Mellitus
Diabetes Care and Education
Diabetes Dictionary
General Practice Notebook - Diabetes mellitus
The National Certification Board for Diabetes Educators
National Diabetes Education Initiative

Nutrition

Diabetes Corner
Diabetic Diet and Recipes
Diabetic Recipe Archive 
Eating and Diabetes from the NIH
Fast Food Facts
Low Carb Food Ideas

White Papers

Healthcare in the Home - IBM & MyCareTeam