Membership:

1. iThenticate

2. CrossRef (included in 2015)

Scientometric databases, repositories and libraries:

1. Scopus 

2. Index Copernicus

3. Directory of Open Access Journals (DOAJ)

4. Google Scholar

5.  WorldCat

6.  MIAR 

7. Polska Bibliografia Naukowa (PBN)

8. Ulrich's Periodicals Directory

9. Neliti

10. Scilit

11. JIFACTOR

12. ResearchBib

13. Directory of Open Access scholarly Resources (ROAD)

14. International Institute of Organized Research (I2OR)

15. Semantic Scholar

16. CORE (COnnecting REpositories)

17. JournalTOCs

18. WorldWideScience.org

19. OpenAIRE

20. Zeitschriftendatenbank (ZDB)

21. EuroPub

22. BASE

23. Dimensions