What kind of barcode should I use?
That depends on what you're doing with it. Barcode Producer's Help Me Choose feature can help you find the barcode that's right for you. Click the button on the main window and Barcode Producer will ask you a few questions to determine the best barcode symbology for your purpose.
You can also view a full, indexed directory of supported barcode types here.
Barcode Producer for Mac/PC creates perfect barcodes for retail packages, labels, books, packages, and everything else.