Zint is an Open Source barcode encoding and image generating library written entirely in C and released under GPLv3 or later. It features:

• Over 50 symbologies including many not available in any other open source package.
• Unicode translation for symbologies which support Latin-1 and Kanji character sets.
• Full GS1 support including data verification and automated insertion of FNC1 characters.
• Support for encoding binary data including NULL (ASCII 0) characters.
• Health Industry Barcode (HIBC) encoding capabilities.
• Output in PNG, EPS and SVG formats with user adjustable sizes and colours.
• Verification stage for SBN, ISBN and ISBN-13 data.
• Fully documented API for integration with your own project.
• Command line and GUI (using Qt 4) front ends.
• Compile on 32-bit and 64-bit systems.
  

Zint is primarily developed for GNU/Linux but is also available for MS Windows and aims to be truly cross-platform.

 

Australia Post Aztec Code Channel Codabar Code 11 Code 128 Code 16K Code 2 of 5 Code 32 Code 39 Code 49 Code 93 Code One Composite CC-A Composite CC-B Composite CC-C Data Logic Data Matrix DataBar Expanded DataBar Expanded Stacked DataBar Limited DataBar-14 DataBar-14 Stacked DataBar-14 Stacked Omni Deutsche Post EAN Grid Matrix IATA Code 2 of 5 Interleaved Code 2 of 5 ITF-14 Japanese Postal Code KIX Code Korea Post Maxicode Micro QR Code MicroPDF417 MSI Plessey PDF417 Pharmacode Pharmacode Two-Track PLANET Plessey Code PZN QR Code Royal Mail Telepen UPC-A UPC-E USPS OneCode Australia Post Aztec Code Channel Codabar Code 11 Code 128 Code 16K Code 2 of 5 Code 32 Code 39 Code 49 Code 93 Code One Composite CC-A Composite CC-B Composite CC-C Data Logic Data Matrix DataBar Expanded DataBar Expanded Stacked DataBar Limited DataBar-14 DataBar-14 Stacked DataBar-14 Stacked Omni Deutsche Post EAN Grid Matrix IATA Code 2 of 5 Interleaved Code 2 of 5 ITF-14 Japanese Postal Code KIX Code Korea Post Maxicode Micro QR Code MicroPDF417 MSI Plessey PDF417 Pharmacode Pharmacode Two-Track PLANET Plessey Code PZN QR Code Royal Mail Telepen UPC-A UPC-E USPS OneCode