Digital tools for researchers
How do I download a journal for free with DOI?
How can I download academic articles for free?
Full Text of a Research Article
Unpaywall An open database of 20 million free scholarly articles - easy to find, track, and use.
Open Access Button - Free, legal research articles delivered instantly or automatically requested from authors. This New Browser Plug-in Lets You Access Millions of Scientific Papers For Free. https://openaccessbutton.org/
Kopernio provides Legal access, and adds a one-click access button to full-text research article PDFs on thousands of academic sites. Works with subscription and open access articles. Access research papers in one click. Save time accessing full-text PDFs with the free Kopernio browser plugin.