With iec16022 you can produce 2d barcodes. Also known as Data Matrix. These barcodes are defined in ISO IEC16022. The code was originally written by Andrews & Arnold Ltd. You can download this code from http://aa.gg/free/. The current maintainer of the code is Stefan Schmidt. Website: http://www.datenfreihafen.org/projects/iec16022.html Maillinglist: https://sirius.lasnet.de/mailman/listinfo/iec16022 SVN repository: https://svn.datenfreihafen.org/iec16022/ Stefan Schmidt