CardMaker is an open source application for assisting in the creation of graphic files through the visualization of data. That's a fancy way of saying it makes cards!
You can find the latest version and tutorials at the website.
CardMaker Download Page
CardMaker Tutorials
CardMaker on GitHub
PdfConstruct is a tool to help with combining images into a single PDF. This was created specifically to deal with some card printer requirements.
PdfConstruct on GitHub
Coming Soon!