30 Website to Download Research Articles for FREE

 CORE: core.ac.uk
 DOAJ: doaj.org
 ERIC: eric.ed.gov
 SSRN: ssrn.com
 arXiv: arxiv.org
 PLOS: plos.org
 JSTOR: jstor.org
 EThOS: ethos.bl.uk
 SciELO: scielo.org
 Zenodo: zenodo.org
 BioRxiv: biorxiv.org
 Sci-Hub: sci-hub.se
 Redalyc: redalyc.org
 PsyArXiv: psyarxiv.com
 DeepDyve: deepdyve.com
 Unpaywall: unpaywall.org
 PaperPanda: paperpanda.app
 OpenAIRE: openaire.eu
 PhilPapers: philpapers.org
 Internet Archive: archive.org
 ResearchGate: researchgate.net
 ScienceOpen: scienceopen.com
 SpringerOpen: springeropen.com
 Academia.edu: academia.edu
 OSF Preprints: osf.io/preprints
 HAL Archives: hal.science
 EBSCO Open Dissertations: opendissertations.org
 Semantic Scholar: semanticscholar.org
 Citationsy Archives: citationsy.com/archives
 Open Access Theses and Dissertations: oatd.org