Genetics Home Reference

Information about a huge range of genetic conditions, as well as a handbook and glossary for revision of concepts.

NORD- The National Organisation for Rare Diseases

Patient advocacy organisation based in the USA, has a useful database of information on selected rare disorders in the "for clinicians and researchers" section.

Microbe Invader

Strange, but addictive pokemon-style game where you as a medical student diagnose infections and use antibiotics to defeat microbial adversaries. Fun way to learn clinical microbiology and review infectious diseases.