Overview: barcode reading software in Linux

• libdmtx
  • Supports: Data Matrix.
  • Utilities: dmtxread (reads barcodes from image files), dmtxwrite (writes barcodes to image files).
• ZBar
  • Recognizes: EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Interleaved 2 of 5 and QR code.
  • Utilities: zbarimg (reads barcodes from image files), zbarcam (reads barcodes from video devices).

Tested in Debian Jessie:

# apt-get install dmtx-utils zbar-tools