Epocrates - Deliver better patient care
MobileDDx - MobileDDx is an absolutely free application that is designed to locate diseases, symptoms, and medication in a very advanced manner.
ChemDraw - ChemDraw - The Gold Standard for Chemical Structure Drawing and Research Publications.
WellApp - WellApp provides you a simple and easy path to communicate with patients and doctors.
DrugPatentWatch - Deep knowledge on pharmaceutical and biologic drugs - international drug patents, sales, pricing, litigation, and more...
UpToDate - UpToDate, the evidence-based clinical decision support resource from Wolters Kluwer, is trusted at the point of care by clinicians worldwide.