Palm Gear: Has everything, free programs, accessories, and PDAs.
PEPID: The Portable Emergency Physician Information Database is a great reference for NPs in the ER or in Walk-In-Clinics. Check out our review or JAMAs. PEPID now has its Toxicology section available for free.
PDA MD.com: A mediocre site with some product reviews and medical software available.
RNPalm: Has multiple nursing applications for PDAs. This is the only nursing PDA site that we have found.
Statcoder.com: Statcoder has programs for ICD-9, E and M, and CPT coding. In addition they have programs on cardiac risk and child growth charts for your PDA