Business Card Maker - Customize Business Card templates online
Label Nation - LabelNation is a command-line program for making labels: address labels, business cards, or...
MakeBizCards - Easy to use web-app for designing your own business card.
Orion Label Maker - Orion Label Maker is the all-in-one solution for designing and printing labels right from your Mac.
VirtuGo - Digital Business Cards - Unlimited Digital Business Cards For WordPress - Plugin
labelgrid - labelgrid - Open source label software using HTML, CSS and Javascript.