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. 1findr

6. Ulrich's Periodicals Directory

7. Neliti

8. ResearchBib

9. BASE

10. Directory of Open Access scholarly Resources (ROAD)

11. Semantic Scholar

12. CORE (COnnecting REpositories)

13. MIAR

14. JournalTOCs

15. WorldWideScience.org

16. OpenAIRE

17. Zeitschriftendatenbank (ZDB)

18. Scilit

19. Dimensions

20. Соционет

21. Scholarly Citation Index Analytics (SCIA)

22. Hinari