pyisbnA Python module for working with 10- and 13-digit ISBNs
checkdigit🔒 An easy-to-use check digit library for data validation
isbn-rsRust library for handling ISBNs.
isbnlibpython library to validate, clean, transform and get metadata of ISBN strings (for devs).
openbookstoreBibliographic search of books and personal manager https://gitlab.com/myopenbookstore/openbookstore
libbibAn R package providing WorldCat API communication, functions for validating and normalizing bibliographic codes, translation from call numbers to subject, and other related utilities helpful for assessment librarians