Are you in doubt of the quality of an Open Access journal?
You can use Beall’s lists to exclude questionable, scholarly publishers or journals.
Jeffrey Beall works as an academic librarian and is dedicated to scholarly open access publishing. Beall’s list of potential, possible, or probable predatory scholarly open access publishers includes 693 publishers, an increase of 241 over 2014
Beall’s list of potential, possible, or probable predatory scholarly open access journals is also continuously updated. The list this year includes 507 standalone journals, an increase of 204 over 2014
- Hijacked journals
Beall’s third list, the Hijacked journals list includes at least 30 journals for which someone has created a counterfeit website, stealing the journal’s identity and soliciting articles submissions using the author-pays model (gold open access).
Source: Scholarly Open Access blog