libgen.fun
Library Genesis mirror for searching books, articles, documents, and academic files.
Directory
Research & Academic Resources
Explore Research & Academic Resources resources in Education & Research.
sci-hub.st
Shadow-library search site often used to find academic papers by DOI, title, or URL.
trantor.is
Shadow-library search page for discovering books, papers, and document files.
z-lib.org
Book search and shadow-library site for finding ebooks, articles, and document records.
pdfdrive.com
PDF search engine for finding ebooks, documents, manuals, and downloadable PDF files.
unpaywall.org
Browser extension and API for finding legal open-access versions of scholarly papers.