Membership:

1. iThenticate

2. CrossRef (included in 2016)

Scientometric databases, repositories and libraries:

1. Index Copernicus

2. Google Scholar

3. WorldCat

4. Directory of Open Access Journals (DOAJ)

5. Ulrich's Periodicals Directory

6. Neliti

7. ResearchBib

8. BASE

9. Directory of Open Access scholarly Resources (ROAD)

10. Semantic Scholar

11. CORE (COnnecting REpositories)

12. MIAR

13. JournalTOCs

14. WorldWideScience.org

15. OpenAIRE

16. Zeitschriftendatenbank (ZDB)

17. Scilit

18. Dimensions

19. Соционет

20. Scholarly Citation Index Analytics (SCIA)

21. EuroPub

22. Lens

23. Korea Open Access Platform for Researchers (KOAR)

24. Wizdom.ai

25. CNKI

26. Sobiad

27. EBSCO