ResearchGate
Connecting researchers worldwide to share and discover scientific knowledge.
researchgate.net · 476,719
Scopus
The largest abstract and citation database of peer-reviewed literature in science, technology, medicine, social sciences, and arts and humanities fields.
scopus.com · 16,625
SSRN
Tomorrow's Research Today. Explore various research disciplines in applied, health, humanities, life, and social sciences.
ssrn.com · 14,094
Crossref
Empowering scholarly communications with easy access to research objects, citations, and linkability. Non-profit organization striving to enhance academic collaboration.
crossref.org · 12,121
SpringerLink
Access the world's most comprehensive online collection of STM books, journals & reference works on SpringerLink.
springerlink.com · 4,834
American Academy of Political and Social Science
Knowledge that informs society. Research for stronger policy.
aapss.org · 632
American International Journal of Contemporary Research
Open access peer-reviewed journal published by The Brooklyn Research and Publish
aijcrnet.com · 333
American-Eurasian Network for Scientific Information
AENSI Publisher with open access journals and conferences for scientific information.
aensiweb.com · 163
