20 دار نشر عالمية تتيح قواعد بياناتها مجانا لفترة شهرين تقريباً

1.Tayloe & Francis tandfonline.com/openaccess
2. ElSEVIER elsevier.com/about/open-sci
4. SPRINGER springeropen.com
5. SCIENCE OPEN scienceopen.com
6. SCIENCE DIRECT sciencedirect.com/browse/journal
7. JSTOR about.jstor.org/oa-and-free/
8. (OAL)OPEN ACCESS LIBRARY oalib.com
9. OXFORD ACADEMIC academic.oup.com/journals/pages
10. LUND UNIVERSITY LIBRARIES lub.lu.se/en/services-su
11. KARGER karger.com/OpenAccess
12. THIEME OPEN open.thieme.com/web/19/home
13. OMNICS OPEN ACCESS omicsonline.org
14. BMC biomedcentral.com
15. MDPI mdpi.com/about/journals
16. COGENT OA cogentoa.com
17. OPEN ACCESS omicsonline.org
18. ERUDIT erudit.org/en/
19. HIGHWIRE highwirepress.com
20. DIRECTORY OF OPEN SCIENCE ARTICLES doaj.org