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

6. Dimensions 

7. Directory of Open Access Journals (DOAJ)

8. WorldCat

9. WorldWideScience.org

10. CORE (COnnecting REpositories)

11. Semantic Scholar 

12. EuroPub

13. ResearchBib

14. Researchgate

15. MIAR

16. Ester

17. Lens

18. Korea Open Access Platform for Researchers (KOAR)

19. Wizdom.ai

20. SLUB