Pillboxie reminds you when to take your medicine and catalogs all your medicine, past and present with text and picture. If you're someone who takes more than one medication at different times, it can be very helpful.
Airdrop for Mac is only available on OSX Lion. If you don't find it in your Mac, here is how to use Airdrop on an unsupported Mac.
Viewing PDFs in iOS just got a little easier with the new app PDF Cabinet. It's hard to find an app that will do what you want with storing, annotating, and organizing PDFs, but PDF Cabinet can do them all.