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Unpaywall. An open database of 50,668,459 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.
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
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...
Jul 28, 2021 · Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles. When you view a paywalled scholarly article, Unpaywall automatically checks its open database of 16 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.
The Paywall Reader is a user-friendly application crafted to break through the barriers of digital paywalls, granting users unrestricted access to premium content across the web. It serves as your key to unlocking a world of knowledge without the constraints of subscription fees or pay-per-view models. How the Google Cache Works.
Unpaywall. Welcome to Unpaywall! When you see the green tab beside a research article, click it to read the full text. Try this example: Try it now. You'll see our green tab on about half of articles (if we can't find fulltext, you'll see a gray tab ). Happy reading!
Paper version definitions. What do the types of oa_status (green, gold, hybrid, and bronze) mean? Why does the Unpaywall plugin say this paywalled article is Open Access? How do we decide if a given journal is fully OA? How do I read JSONL files? View all 19.
