Open Access

Publishing scholarship so that articles and journals are free for anyone to read rather than gated behind subscriptions.

DOAJ catalogs 23,352 curated open-access journals, and OpenAlex separately offers a paid PDF-sync add-on covering 50M+ OA full texts.

In this catalog it appears concretely: - DOAJ API - Directory of Open Access Journals: 23,352 curated open-access journals and 13,470,084 article records. - OpenAlex PDF-sync add-on described as — "50M+ OA full texts". - arXiv (tagging) — "open-access', 'academic-publishing".

Conventions decide whether two sources can be joined at all. Buy one side of an analysis that ignores this convention and every reconciliation step — calendar alignment, unit conversion, entity matching — lands on your team instead of the vendor's.

The failure mode is concrete: the label appears in a listing, the delivered files tell a different story, and the gap surfaces mid-project when fixing it is most expensive.

You rarely have to take a vendor's word for it. 82.4% of the 1,744 datasets Datadory catalogs are free to access, and DOAJ API - Directory of Open Access Journals: 23,352 curated open-access journals and 13,470,084 article records lets you inspect the real artifact before any budget is committed.

Treat every claim of this attribute as testable:

1. Open DOAJ API - Directory of Open Access Journals: 23,352 curated open-access journals and 13,470,084 article records and compare its listing against the delivered artifact before paying for a commercial equivalent.
2. Open OpenAlex PDF-sync add-on described as and confirm its record — "50M+ OA full texts" — against the files you actually receive.
3. Read arXiv's record on tagging — "open-access', 'academic-publishing" — then confirm the delivered artifact matches before you license anything.

See the term applied to real records: publishing data.

Adjacent concepts worth reading next: - article processing charge - commercial delivery terms license - preprint