Alberta Atlas of Human Pathology - a collection of human pathology images organized around actual clinical cases
Antimicrobe.org - a World Wide Web-based version of the textbook Antimicrobial Therapy and Vaccines, volumes I and II
caGRID - a model-driven and service-oriented architecture that synthesizes and extends a number of technologies to provide a standardized framework for the advertising, discovery, and invocation of data and analytical resources for cancer research
Disease Database - information on a disease, symptom, physical sign, non-brand drug or common laboratory abnormality
Disease Protein Models - Structure Modeling database of disease related proteins and complexes
Ganfyd - free medical knowledge base that anyone can read and any registered medical practitioner may edit.
Incidence and Prevalence Database - provides global incidence, prevalence, morbidity, comorbidity, cost data, symptoms and many other health issues for over 4,700 diseases and procedures
International Statistical Classification of Diseases and Related Health Problems - WHO disease classification
Karolinska Institute Human Disease List - Alphabetic List of Specific Diseases/Disorders
MedlinePlus - Medical Encyclopedia includes over 4,000 articles about diseases, tests, symptoms, injuries, and surgeries
NCID - National Center for Infectious Diseases information portal
NORD - National Organization for Rare Disorders
Oncologic Pathology Internet Resources - a meta collection of annotated links to sites on cancer, oncology, oncologic pathology, general pathology, radiation oncology, and related medical disciplines
ORPHA.net - a database dedicated to information on rare diseases and orphan drugs
RAMEDis - the Rare Metabolic Diseases Database
UpToDate - a comprehensive evidence-based clinical information resource
WebPath - includes over 1900 images along with text, tutorials, laboratory exercises, and examination items for self-assessment that demonstrate gross and microscopic pathologic findings associated with human disease conditions