GNU-barcode

GNU-barcode is meant to solve most needs in barcode creation with a conventional printer. It can create printouts for the conventional product-tagging standards: UPC-A, UPC-E, EAN-13, EAN-8, ISBN, and several others. Output is generated as either Postscript, Encapsulated Postscript, or PCL (other back-ends may be added if needed). The package is released as both a library and a command-line frontend, so that you can include barcode-generation into your application.