Membership:

1. iThenticate

2. CrossRef

Scientometric databases, repositories and libraries:

1. Directory of Open Access scholarly Resources (ROAD)

2. Scilit

3. Google Scholar

4. Ulrich's Periodicals Directory

5. Index Copernicus Journals Master List

6. Socionet

7. Dimensions 

8. Directory of Open Access Journals (DOAJ)

9. WorldCat

10. WorldWideScience.org

11. CORE (COnnecting REpositories)

12. Semantic Scholar 

13. EuroPub

14. ResearchBib

15. Researchgate

16. MIAR

17. Ester