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。

A PHP library to validate, convert and parse 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