Unpaywall is a database of 23,329,737 free scholarly Open Access(OA) articles from over 50,000 publishers and repositories, and make it easy to find, track, and use.

It was developed as a part of the Unpaywall project. is an Artificial Intelligence(AI) powered search engine for search and understand scientific articles for researchers and scientists. So it’s only natural our source code is open, too. Unpaywall is run by OurResearch, a nonprofit dedicated to making scholarships more accessible to everyone. In fact, if you’re involved in scholarly communication, there’s a good chance you’ve already used Unpaywall data. It is integrated into thousands of library systems, search platforms, and other information products worldwide.

Unpaywall harvests Open Access content from over 50,000 publishers and repositories, and makes it easy to find, track, and use.

All information posted on the website is collected from publicly available public Internet resources and is intended solely for informational purposes. In addition to the descriptions, the aggregator contains only links to third-party resources hosted by users.

The Library Genesis aggregator is a community aiming at collecting and cataloging item descriptions for the most part of scientific, scientific, and technical directions, as well as file metadata. Visit: Z-Library – You can Download 70,000,000+ scientific articles for free 3.

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