Meister Med is a site that has numerous free programs for Palm Os (they require iSilo to run). It also has links to many more free apps.
Need an ICD9 code? Then get
LyteMeister is one of my personal favorite apps.
If you would like a really well written reference for electrolytes then get
LipidMeister it helps you manage lipids.
: definitions, diagnosis, and treatment.
STDMeister is a very nice reference.
AthmaMeister takes the guesswork out of Asthma management.
iSilo Medical Depot
has more free docs than you can shake a stick at.