libdmtx: libdmtx (Data Matrix barcode library and utilities) libdmtx: libdmtx: libdmtx is open source software for reading and writing Data Matrix libdmtx: barcodes on Linux, Unix, OS X, Windows, and some mobile devices. At libdmtx: its core libdmtx is a shared library, allowing C/C++ programs libdmtx: to use its capabilities without restrictions or overhead. The libdmtx: included utility programs, dmtxread and dmtxwrite, serve as the libdmtx: official interface to libdmtx from the command line. libdmtx: libdmtx: libdmtx: