1. ACS Journal Finder
  2. Bioline International
  3. Cambridge University Press
  4. Cochrane Library
  5. DOAJ (Directory of Open Access Journal)
  6. EBSCO Free Databases 
  7. Electronic Library of Mathematics
  8. Electronic Journals of the University of Malaya (ejournal)
  9. Free Medical Journals
  10. Frontiers Journals
  11. Harvard Dataverse
  12. International Journals of Multidisciplinary Research Academy
  13. IPN Journal
  14. JSTOR and Artstor
  15. Karger’s Open Access Journals
  16. MALCat Malaysian Academic Library Union Catalog
  17. MyCite
  18. MyJurnal – Malaysian Journals
  19. OALib Journal 
  20. PubMed
  21. Research Gate
  22. RePEc Research Papers in Economics
  23. Sociology and Criminology
  24. Science Direct Open Access Journals
  25. Springer Open