Sure
, the Mac is a great tool for creating and viewing all sorts of information online, but sometimes you'll need to venture from the virtual to the physical world to send a package. Unfortunately, none of the major shippers seem to have a Mac-specific software solution at this time. Fortunately, the good folks at Buyolympia have created a nifty piece of software for those using USPS and OS X
Check It Out: Using OS X & Shipping Via USPS? Try SwordfishExpress!