Membership:

1. iThenticate

2. CrossRef (included in 2016)

Scientometric databases, repositories and libraries:

1. Index Copernicus Journals Master List

2. Google Scholar

3. WorldCat

4. Directory of Open Access Journals (DOAJ)

5. International Institute of Organized Research (I2OR)

6. 1findr

7. Ulrich's Periodicals Directory

8. Neliti

9. BASE

10. ResearchBib

11. Directory of Open Access scholarly Resources (ROAD)

12. Scientific Indexing Services (SIS)

13. Semantic Scholar

14. CORE (COnnecting REpositories)

15. JournalTOCs

16. MIAR

17. WorldWideScience.org