Diagnosaurus—1000+ differential diagnoses
First Consult—relates to MD Consult database
Fooducate
iTriage
Lexicomp
Medical Spanish
Patient Tracker "is an iPhone and iPod touch app that helps doctors and nurses track information about their patients... Store history & physical (H&P) and notes for each patient."
PubMed on Tap or PubMed on Tap Lite (FREE)
ReUnite "is an app for uploading missing and found person information for post-disaster family reunification..."