7 sites to Download Research Papers for Free

I have combined here a list of sit sites that offer to download research papers for free. They also have millions of ebooks to download for free in pdf.

I have written another post “8 sites to download free ebooks“. You may like to check out

Library Genesis

It is a database of over 2 million (yes, million) papers, articles, entire journals, and non-fiction books. They also have comics, fiction books, and books in many non-english languages.

There is an interesting story on Alexandra Elbakyan who started Scihub. You can basically download 99% of all scientific articles and papers on SciHub. Just enter the DOI to download the ebook you need for free from scihub.

Try this SciHub link if the previous one is not working

CSULB California State University

Provides unlimited free access to thousands of electronic books on different subjects, biographies, references etc.

PDF Drive

It is a search engine for PDF files. As of today, there are more than 73,627,882 eBooks for download for free. No annoying ads, no download limits

Project Gutenberg

Project Gutenberg offers most of its books as free kindle books too.

You can download our free Kindle books directly to your Kindle by pointing your Kindle browser to m.gutenberg.org.

Or you can download them to your PC and then transfer them to the Kindle via USB cable. Consult your Kindle manual. For guidance about different types of mobile devices and formats, view the Project Gutenberg Mobile Reader Devices How-To

Unpaywall Plug in

Unpaywall is run by Impactstory, a nonprofit dedicated to making scholarship more accessible to everyone. Open is our passion. So it’s only natural our source code is open, too.