Computers

Personal site of Nebraska barcode artist Scott Blake with examples of his work, details of exhibitions, and an online store.

Whitepapers and how-to information about barcode data formats and new technology.

Global standards organization allocating identification keys for barcodes. With technical, implementation and support information.

Search and browse GTIN codes by brand and by owner. GTIN codes are unique product identifiers that are printed beneath barcodes on consumer packaged goods. GTIN numbers are assigned by the GS1 organization and used by companies throughout the supply chain process.

Allows users to design and generate their own custom QR codes to print.

History and information about the QR Code from the originator Denso Wave.

Encyclopedia article including the history, use, symbology, and benefits of barcodes.

History, standards, uses, designs, and information about the QR code.

Zxing project guide to the standard encoding of information in 2D barcodes.