What Is DOAJ?
DOAJ (Directory of Open Access Journals) is the largest curated index of peer-reviewed open access journals, maintained by Infrastructure Services for Open Access (IS4OA). Being listed in DOAJ is a standard requirement for:
Core DOAJ Requirements
Open access — All articles must be freely available online without embargo. The journal must state its open access policy on its website.
ISSN — A valid ISSN registered with the ISSN International Centre. Both E-ISSN and P-ISSN should be listed if applicable.
Peer review — The journal must conduct peer review (single-blind, double-blind, or open) and describe its peer review process on the journal website.
Publication ethics — The journal must have a visible publication ethics policy that covers plagiarism, authorship, conflicts of interest, and corrections/retractions.
No fees for readers — Readers must never be charged to access or download articles.
APC transparency — If the journal charges APCs, the amount must be stated clearly on the journal website before submission.
Journal website — Must include: aims and scope, editorial board with affiliations, author instructions, contact information, ISSN, and copyright/licensing information.
DOAJ Seal Requirements
The DOAJ Seal indicates best-practice open access. Additional requirements beyond basic listing: