There are 3 repositories under isbn topic.
Barcode Writer in Pure PostScript
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
Bibliographic search of books and personal manager (WIP) https://gitlab.com/myopenbookstore/openbookstore
C# Validate Article Numbers ASIN, EAN8, EAN13, GTIN, ISBN, ISBN13, SKU, UPC
🔒 An easy-to-use check digit library for data validation
A PHP class for validating EAN, IMEI, ISBN, GTIN, SSCC, GSIN, UPC and other similar codes.
ISBN utils: parse, validate, format, audit
Automatically organize folders with potentially huge amounts of unorganized ebooks
A Python class for EAN and ISBN name lookup and validation using the API on ean-search.org
Python module to extract structured metadata from URL, ISBN or DOI
Helper classes to calculate and validate ckecksums.
Image to text recognition for ISBN numbers from books.
It fetches all book information by ISBN number based on Google Book API
Application to organize and manage your mangas. It displays all kinds of metadata from a manga without lifting a finger. Say goodbye to your excel lists
ISBN Scanner and export data into xls file