Label Nation - LabelNation is a command-line program for making labels: address labels, business cards, or...
CalPrint - CalPrint uses your existing reminders and calendar entries on your iPad or iPhone (Exchange, iCal and Google Calendars etc.
LABEL MATRIX - Barcode label design software that’s as simple as you need it to be, with helpful options that ensure a straightforward label design process.
Printer Pro - Print attachments, receipts, documents, web pages from your iPad and iPhone.
BusinessCardLand - BusinessCardLand is a free, easy-to-use, no-login-required online business card maker.
Print - Developers of application solutions for the iPad & iPhone. 'Printing on the iPhone: “There's an App for that” - Print & Share' as featured in Apple's “Office” iPhone commercial