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ZXing (pronounced "zebra crossing") is an open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. Our focus is on using the built-in camera on mobile phones to scan and decode barcodes on the device, without communicating with a server. However the project can be used to encode and decode barcodes on desktops and servers as well.
Convenient library (accessible e.g. from C code) to encode and decode arbitrary data (up to 1900 characters) accurately and fast to/from 2 dimensional PDF417 barcodes. PDF417 has error correction and can be read back from e.g. a scanner or webcam.
Barcode4J is a flexible generator for barcodes written in Java and available under the Apache License v2.0. Features: Extensions for Apache FOP, Xalan-J and SAXON, Servlet, command-line interface, output to SVG, EPS, Java2D/AWT and bitmaps.
QDataMatrix is a graphical user interface for easily printing a series of 2D barcode labels (DataMatrix standard). Lots of options allow full customization of label layout. Furthermore you can export the output as PDF or PNG.
libdmtx is a software library that enables programs to read and write Data Matrix (or quot;DataMatrixquot;) 2D barcodes. It runs on several platforms, and can be accessed by multiple languages. The package provides fully featured command line utilities.
.Net project that will generate a range of barcodes. The barcodes can be used & integrated into your project however you want. Currently supports: Code 3 of 9 (Standard & full ASCII) Code 2 of 5 Code 11 Code128 Code93 Codabar Code 2 of 7 Interleaved 2 of 5 EAN13 EAN8 UPC-A UPC2 UPC5 UPCE PostNet CPC (Canadian Post Office codes) US Post Office Intelligent Mail Codes More to be added over time including 3D barcodes like PDF417 & Data Matrix & the 4 state barcodes used by post offices.
Use Java and SOAP to communicate with barcode generator Webservice. It can easily integrated with any Java webpage with little or even no modification. Barcode generator Webservice WSDL can be found at http://www.barcodesoft.com/bcdgen.asmx?WSDL It supports most major linear and 2D barcode symbologies, such as code39, code128, UPC-A, EAN13, PDF417, Data Matrix, QRCode, Aztec code, and etc.