Libdmtx

libdmtx is a software library that enables programs to read and write Data Matrix (or 'DataMatrix') 2D barcodes. It runs on several platforms, and can be accessed by multiple languages. The package provides fully featured command line utilities. Platforms: Windows, Mac, BSD, Linux

libdmtx is an open-source library for reading and writing Data Matrix barcodes, two-dimensional symbols that hold a dense pattern of data with built-in error correction. This module provides a PHP wrapper API enabling Drupal developers to make use of libdmtx's matrix code encoding/decoding... Platforms: PHP

A C#/.net-library for encoding and decoding DataMatrix codes (based on a .net-port of libdmtx). DataMatrix.net also contains a small application for generating PDF documents containing different types of 1D- and 2D-codes. Platforms: Windows, Mac, Linux