Library Access, from Lean Library, is a browser extension that connects you to the library's resources no matter where you are doing your searches! Works both on and off-campus. Compatible with Google Chrome, Firefox, Safari, Opera, and Microsoft Edge.
LibKey Nomad automatically provides instant links to full text content for article subscribed to by your library - or open access alternatives (powered by Unpaywall). Nomad works across thousands of publisher websites and in Web of Science, PubMed, and Wikipedia.
Chrome extension that works with Web of Science, PubMed, and Google Scholar to find navigate Paywalls by automatically search university library subscriptions, pre-print servers and institutional repositories for PDFs.
Chrome & Firefox extension to find available versions of a published article. Unpaywall is run by Impactstory, a nonprofit dedicated to making scholarship more accessible to everyone. Open is our passion. So it's only natural our source code is open, too.