- DermIS -- Dermatology Information System - DermIS.net is the largest dermatology information service available on the internet. It offers elaborate image atlases (DOIA and PeDOIA) complete with diagnoses and differential diagnoses, case reports & additional information on almost all skin diseases.
- Dermnet - Over 23,000 images of skin disease. High resolution copies of images for publishing can be obtained by request.
- Interactive Dermatology Atlas - The Interactive Dermatology Atlas contains more than 1000 photographs from patient visits over the past two decades. Searches can be performed by diagnosis, lesion characteristics, patient demographics, and treatments.