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Unpaywall. An open database of 50,477,143 free scholarly articles. We harvest Open Access content from over 50,000 publishers and repositories, and make it easy to find, track, and use. Get the extension. "Unpaywall is transforming Open Science" —Nature feature article, August 2018. Used and trusted by top organizations.
Get full text of scholarly articles as you browse. When you view a research article, Unpaywall automatically looks for a copy in our index of 20 million free, legal fulltext PDFs. If we find one,...
Access millions of research articles, instantly. Unpaywall users read 52% of research papers for free. Here's how: when you browse to a paywalled paper, we check to see if there's a free copy in our database. If there is, you'll see a green tab on your screen...just click, and read!
Search all 120M of our articles, by title. Show only free-to-read. Products & integrations Unsub Chrome/Firefox extension Database snapshot Data Feed REST API Simple Query Tool Library link resolver integration Search articles
Jul 28, 2021 · Download Unpaywall for Firefox. Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
Apr 4, 2017 · Officially launched on 4 April, Unpaywall is a free web-browser extension that hunts for papers in more than 5,300 repositories worldwide, including preprint servers and institutional databases...
Aug 15, 2018 · Unpaywall has become indispensable to many academics, and tie-ins with established scientific search engines could broaden its reach.
Unpaywall points you to legal, author-posted manuscripts that are hosted on university and government web servers. We are pointing to versions that have been posted with the full and explicit...
Mar 16, 2017 · It’s called Unpaywall, and it links you to free fulltext as you browse research articles. Hit a paywall? No problem: click the green tab and read it free. Unpaywall is powered by an index of over ten million legally-uploaded, open-access resources, and it delivers.
Apr 5, 2017 · Unpaywall is a browser plug-in that identifies the paper you're looking for, then checks whether it's available for free anywhere on the web.
