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checkdigit

🔒 An easy-to-use check digit library for data validation

biip

📦 Biip interprets the data in barcodes.

zint-bindings

A barcode encoding library supporting over 50 symbologies.

identifiers

International Standard Identifiers

epcpy

A Python module for creation, validation, and transformation of EPC representations as defined in GS1's EPC Tag Data Standard.

aztec-py

Pure-Python Aztec Code barcode generator — GS1 2027 compliant, IATA BCBP, batch encoding, SVG/PDF/PNG, CLI. Zero deps. ISO 24778.

epcis-event-hash-generator

Exemplary implementation of the EPCIS event hash generator algorithm described in the README

tag-data-translation

GS1 EPC Tag Data Translation (TDS 2.3 / TDT 2.2) for RAIN RFID. Cross-platform: .NET, npm, Python, Swift, Android, Flutter.

gs1grader

GS1Grader - Grading datamatrices based on GS1 guidelines

gs1-gpc

A tool for importing GS1 Global Product Classification (GPC) data into SQL databases.

gpcc

Python library and CLI tool to fetch information from GCP Browser (https://gpc-browser.gs1.org/)

epcdltranslator

Translates EPC URIs and EPC Class URIs into their canonical GS1 Digital Link URI equivalents.