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

竹简——最全中文ISBN信息查询接口

Barcode Writer in Pure PostScript

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

🔖 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...

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

Organize literature into ideas, fast.

Searching Open Library by keywords to return ISBNs

Barcode generation library

Provide check digit algorithms and calculators written in Go

图书名语料库。含部分电影、游戏名称。

PHP library to validate and convert ISBNs and EANs

This library provides methods to manipulate isbns.

各类验证函数

A Python module for working with 10- and 13-digit ISBNs

Bibliographic search of books and personal manager (WIP) https://gitlab.com/myopenbookstore/openbookstore

Persistent identifier library for GNU Emacs

C# Validate Article Numbers ASIN, EAN8, EAN13, GTIN, ISBN, ISBN13, SKU, UPC

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