Unpaywall is a handy little open source project, available to use as a browser extension, which makes it easier to find open access copies of journal papers.

I just thought I'd share this here for those who may need it. I find it very useful!

unpaywall.org/

@invaderxan It asked me for permission to access data for all my browsing activity before I could use it. 😒 :yikes:

image/svg+xml Follow

@rushkeating The plugin needs to see the page you're looking at to know when you're on a journal website and which article you're looking at. It needs to "change" the page to give you a link to the free copy.

If you're uncomfortable with that, you can simply query the database directly. It's more time consuming but it gives the same result.
unpaywall.org/products/simple-

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