Use CORE's search to explore open access research papers from around the world. Just type in your keywords to search over 200 million records.
Also try the CORE Discovery browser extension!
While you're browsing journal articles, CORE Discovery will alert you when an open access version is available and provide a direct link to the free full text.
Unpaywall's browser extension will show you when you can find an open access version of an article you want to read. While you're browsing on journal websites, Unpaywall will show a green open padlock icon whenever an open access version of an article is available, and link you directly to the full text. Use this tool to find an easy, free, and legal way around paywalls. Find out more about the browser extension
Use the search box to check for an open access version of a particular article you're looking for.
Open Access Button also offers a browser extension, providing you with open access availability alerts while you're browsing on journal websites. Once you know an open access version is available, click through to access the full text immediately.