Unpaywall is a free browser extension that finds full-text versions of research papers across the web.
Best Open Access Button Alternatives ranked by AI · updated May 2025
Top 3 Open Access Button alternatives
2
Sci-Hub is a website that provides free access to research papers.
Pros
- Free access to research papers
- Easy to use interface
Cons
- Legal issues with publishers
3
Kopernio helps you access research articles and organize your references. Works seamlessly with your browser.
Pros
- Access to research articles
- Reference organization
Cons
- Premium features require payment
Free basic version, Paid premium
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