This guide is a resource for researchers and authors interested in author rights, research impact, publishing, institutional repositories, and open access publishing.
Check out the Open Access Button, a free and legal tool to find an open access version of an article you are trying read. Download the OA Button Chrome browser extension to find open versions of an article you are reading or search for the article in their web interface. If an open version of the article cannot be found, you are able to enter your contact information and a requst for the article will be sent to the author.
Unpaywall is a Chrome/Firefox extension to find legal, open access copies of articles. If you are on a paywalled article, the Unpaywall logo may turn green, which would indicate there is a free, open version online, by clicking the logo you can get to the free, open article.
Open access to 1,453,499 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance, Statistics, Electrical Engineering and Systems Science, and Economics.