Persistent identifier library for GNU Emacs

User-friendly Scopus and Journal Metrics data

List of valid, registered ISSN

Generate bibtex entries from Document Object Identifiers (DOI)

A List of Core SCI Journals For Academics

The "12 barcodes API" provides a simple and efficient way to generate barcodes for your applications.

An 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

Basic tools for working with journal ISSNs

Proof-of-concept demonstrator for the Journal Observatory project

journal-level metadata munging. part of fatcat project

ISSN Validation

A modular Lua package for barcode symbology

A Python3 based Barcode, QR, Aztec and Datamatrix Generator with a fully working GUI.

retrieve a list and count of academic libraries in Virginia holding certain journal titles

Rich Context API integrations for federating metadata discovery and exchange across multiple scholarly infrastructure providers

Library of functions for working with Bibliographic Identifiers (ISBN, ISSN, ISMN)

ActiveX Validator

A command-line ISBN & ISSN list converter for the SFX Dataloader.

A tiny library for validating and formatting ISSN codes with Clojure