Your gateway to millions of freely available research papers (updated November 2025)
| Resource | Description | Primary Disciplines |
|---|---|---|
| PubMed | Over 35 million biomedical citations & abstracts. Many link to free full-text. | Biomedicine Life Sciences |
| PubMed Central (PMC) | Free full-text archive with >9 million open-access articles. | Biomedicine |
| arXiv | 2+ million preprints in physics, math, computer science, and more. | Physics Mathematics CS |
| ResearchGate | Social network where researchers upload full-text PDFs (160M+ publications). | All Disciplines |
| Google Scholar | Search engine for scholarly literature with links to free PDFs. | All Disciplines |
| CORE | Aggregates 200M+ open-access papers from repositories worldwide. | All Disciplines |
| DOAJ | Directory of 20,000+ fully open-access peer-reviewed journals. | All Disciplines |
| Semantic Scholar | AI-powered search with summaries and 200M+ papers. | All Disciplines |
| bioRxiv | Preprint server for biology (pronounced “bio-archive”). | Biology Preprints |
| medRxiv | Preprints in health sciences and clinical research. | Health Sciences |
| SSRN | Social Science Research Network – free papers in economics, law, etc. | |
| Europe PMC | European counterpart to PubMed Central with millions of free articles. | Biomedicine |
| Zenodo | CERN-hosted repository for papers, datasets, software (DOI for everything). | All Disciplines |
| BASE | Search engine for 100M+ academic documents, strong open-access focus. | All Disciplines |