# Otwarta nauka: gdzie czytać badania naukowe za darmo

Artykuły naukowe bez paywalla: preprinty w arXiv, medycyna w PubMed i PMC, wyszukiwarki Google Scholar, Semantic Scholar i OpenAlex, otwarte czasopisma w CORE i DOAJ, polska Biblioteka Nauki, dane badawcze w Zenodo i Unpaywall, który znajduje legalne darmowe wersje płatnych prac.

Open in urlhub: https://urlhub.cloud/l/H8DrrtBw

1. [arXiv.org e-Print archive](https://arxiv.org/) – arxiv.org
2. [PubMed](https://pubmed.ncbi.nlm.nih.gov/) – PubMed
   PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
3. [PMC Home](https://pmc.ncbi.nlm.nih.gov/) – PubMed Central (PMC)
   PMC is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).
4. [Google Scholar](https://scholar.google.com/) – scholar.google.com
   Google Scholar zapewnia prosty sposób na szerokie wyszukiwanie literatury naukowej. Wyszukuj w wielu dyscyplinach i źródłach: artykułach, tezach, książkach, abstraktach i opiniach sądowych.
5. [Semantic Scholar | AI-Powered Research Tool](https://www.semanticscholar.org/) – semanticscholar.org
   Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
6. [OpenAlex: The open catalog to the global research system](https://openalex.org/) – OpenAlex
   OpenAlex indexes half a billion scholarly works, with their authors, institutions, sources and topics, and makes them free to search, analyze and reuse through our web app, API and bulk download.
7. [The world’s largest collection of open access research papers](https://core.ac.uk/) – core.ac.uk
   The world’s largest collection of open access research papers
8. [https://doaj.org/](https://doaj.org/) – doaj.org
   (no preview: the site does not let servers read it; the title comes from its address)
9. [https://bibliotekanauki.pl/](https://bibliotekanauki.pl/) – bibliotekanauki.pl
10. [Zenodo](https://zenodo.org/) – zenodo.org
11. [Unpaywall](https://unpaywall.org/) – unpaywall.org

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Titles and descriptions come from the linked pages; urlhub does not check them.
urlhub.cloud: link sets to share with one link or a QR code. For machines: /llms.txt