Internet Archive
The Internet Archive offers over 20,000,000 freely downloadable books and texts. There is also a collection of 2.3 million modern eBooks that may be borrowed by anyone with a free archive.org account.
PDF Coffee is an open-access PDF sharing platform that allows users to upload, browse, and download PDF documents across a wide range of topics. The site features thousands of files, including academic papers, textbooks, business reports, how-to guides, manuals, and educational content.
Designed for simplicity and ease of access, PDF Coffee lets visitors explore documents without registration. Files can be previewed online and downloaded in full. It’s particularly useful for students, educators, professionals, and anyone looking to find niche or community-contributed content.
With a growing library and search-friendly interface, PDF Coffee serves as a useful alternative source for freely available documents and knowledge sharing.
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eBooks
eBooks.com is a leading retailer of ebooks, with a vast range of ebooks from academic, popular and professional publishers.
Open Library
Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.
Manybooks
Great selection of modern and classic books waiting to be discovered. All free and available in most ereader formats.
ResearchGate
Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.
Academia
Academia.edu is the platform to share, find, and explore 50 Million research papers. Join us to accelerate your research needs & academic interests.
PDF Drive
PDF Drive - Search and download PDF files for free.
Sci-Hub
Sci-Hub website. Get free access to academic journals. Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others
