There are 2 repositories under gs1 topic.
PHP library - Validators for standards from ISO, International Finance, Public Administrations, GS1, Manufacturing Industry, Phone numbers & Zipcodes for many countries
A JS library enabling scanning products directly from (mobile) browsers. Supports Image Recognition and more than 20 barcode types including UPC, EAN, QR, Digimarc and DataMatrix codes.
Java library for RFID EPC encode / decode
Samples for Dynamsoft Barcode Reader SDK Python Edition
🔒 An easy-to-use check digit library for data validation
A GS1 Barcode Library and Parser in Swift
GS1 EPCIS repository written in .NET Core. Supports v1.2 and v2.0 of the specification.
Traceability system based on Ethereum Blockchain
GS1 Datamatrix parser for PHP compatible with official GS1 documentation
Elixir GTIN & UPC Generation and Validation Library
GS1 Barcode Syntax Dictionary and Syntax Tests
A Python module for creation, validation, and transformation of EPC representations as defined in GS1's EPC Tag Data Standard.
Commander4j Production Recording and Labelling using EAN128 barcodes. Now includes Weight Checks, Waste Logging, Quality Control and much more. Supports mySQL, MS SQL Server and Oracle Databases. Java Swing Client and Javascript web pages for Zebra/Morotolla/Symbol wireless mobile computers.
Javascript function used to generate SSCC, GSIN, GTIN-8, GTIN-12, GTIN-13 & GTIN-14 check digit.
Basic GS1-128 (EAN128) decoder in PHP
Samples for Dynamsoft Barcode Reader Android and iOS edition
ALGORITHM and SOFTWARE PROTOTYPE to uniquely identify/validate the integrity of any EPCIS event through a common, syntax-agnostic approach based on hashing. Takes an EPCIS Document (formatted in either XML or JSON-LD) and returns the corresponding hash value(s).
International Standard Identifiers
Project to generate event hash for EPCIS document/event in XML/JSON-LD format.
Translates EPC URIs and EPC Class URIs into their canonical GS1 Digital Link URI equivalents.
Photorealistic Dynamic Simulation Materials for System Dynamics
Samples for Dynamsoft Barcode Reader SDK C_C++ Edition
Demo software to illustrate how to apply GS1's GCP (GS1 Company Prefix) Length Table for EPC binary encoding/generating EPC URIs
barcode.php - Generate barcodes from a single PHP file. MIT license.