PH1. Google Scholar (scholar.google.com): A specialized search engine that focuses on scholarly literature, including articles, theses, books, and conference papers.
2. PubMed (pubmed.ncbi.nlm.nih.gov): A comprehensive database of biomedical literature, including articles from medical journals and research papers.
3. Directory of Open Access Journals (DOAJ) (doaj.org): A platform that provides access to thousands of peer-reviewed open access journals covering various disciplines.
4. arXiv (arxiv.org): A repository of electronic preprints in the fields of physics, mathematics, computer science, biology, and more.
5. JSTOR (You do not have permission to view the full content of this post. Log in or register now.): A digital library that offers access to a wide range of academic journals, books, and primary sources across multiple disciplines.
6. Internet Archive (archive.org): A vast digital library offering free access to books, articles, websites, videos, and other types of media.
7. Project Gutenberg (You do not have permission to view the full content of this post. Log in or register now.): An online library of over 60,000 free eBooks, including classic literature and out-of-print books.
8. Europeana (You do not have permission to view the full content of this post. Log in or register now.): A digital platform providing access to millions of digitized items from European museums, libraries, archives, and galleries.
9. Directory of Open Access Books (DOAB) (You do not have permission to view the full content of this post. Log in or register now.): A directory that offers access to academic, peer-reviewed books published under an open access license.
10. WorldCat (You do not have permission to view the full content of this post. Log in or register now.): A global catalog that allows you to search the collections of thousands of libraries worldwide and find books, articles, and other materials.
11 and 12. BioRxiv (biorxiv.org) and ChemRxiv (chemrxiv.org): Similar to arXiv, but for biological and chemical sciences respectively.
12. Public Library of Science (PLOS) (plos.org): A nonprofit open access publisher with a portfolio of peer-reviewed journals.
13. Open Access Button (openaccessbutton.org): A tool that helps you get access to research papers. When you hit a paywall, you can enter the article's info, and the service will search for a free version.
14. Sci-Hub (sci-hub.se): This site illegally provides free access to a large number of otherwise paywalled papers. It's worth noting that using Sci-Hub is considered unethical and îllégâl in many jurisdictions due to copyright infringement.
15. ResearchGate (researchgate.net): Many researchers upload their papers here making them available for free. However, availability can be inconsistent.
16. Academia.edu: Similar to ResearchGate, many academics upload their research here, which can be accessed for free.
Other links to download and read books:
1. https://phcorner.org/threads/free-sites-where-you-can-download-books-legally.1754200/#post-26339531
2. https://phcorner.org/threads/the-be...gazines-no-ads-can-search-loads-fast.1771940/
3. https://phcorner.org/threads/free-s...s-and-etc-with-an-android-app-part-1.1772013/
4. https://phcorner.org/threads/free-s...books-articles-papers-and-etc-part-2.1772113/
5. https://phcorner.org/threads/free-sites-where-you-can-read-books-for-free.1752715/
6. https://phcorner.org/threads/free-site-to-read-and-download-158502-books-part-3.1772251/
7. https://phcorner.org/threads/free-s...d-for-research-and-thesis-references.1772282/
Site where you can find audiobooks:
1. https://phcorner.org/threads/free-s...books-podcasts-legally.1754407/#post-26341550
2. https://phcorner.org/threads/free-sites-to-listen-to-audiobooks-part-2.1772747/#post-26501949
