Barcode Writer in Pure PostScript

Barcode generation library

python library to validate, clean, transform and get metadata of ISBN strings (for devs).

竹简——最全中文ISBN信息查询接口

Searching Open Library by keywords to return ISBNs

图书名语料库。含部分电影、游戏名称。

🔖 Generates 1D, 2D, or composite barcodes in png, svg, or eps formats. Supports 50+ symbologies.

python app/framework for 'all things ISBN' including metadata, descriptions, covers...

PHP library to validate and convert ISBNs and EANs

各类验证函数

A PHP class for validating EAN, IMEI, ISBN, GTIN, SSCC, GSIN, UPC and other similar codes.

Mannheim library utilities

This library provides methods to manipulate isbns.

基于中国国家图书馆ISBN检索的calibre的source/metadata插件。https://doiiars.com/article/NLCISBNPlugin

Command Line Interface tool to download, organise and search free ebooks from your terminal in a moment.

Django model field to store and validate ISBN numbers.

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

Provide check digit algorithms and calculators written in Go

ISBN utils: parse, validate, format, audit

Rust library for handling ISBNs.