Clinicians Drug Reference 2011 The basic information of every drug you can imagine right on your phone! Also, for more thorough information, you can download the whole database. Recommend!
United States Constitution A very handy tool if you find yourself in a political debate while waiting in line at the post office. I hope this never happens to you, but it did to me and I was ready.
FEMA Decent information in regards to disaster preparedness. Although, when it comes to New Orleans not too much has been rebuilt since Katrina. I'm not sure about the credibility of the "Disaster Survivor" section.