Sci-Hub alternative websites for accessing academic papers for free:

Unpaywall (https://unpaywall.org/) Browser extension for Chrome.

Allows legal, free access to research papers directly on journal websites.

Open Access Button (OAB) (https://openaccessbutton.org/)

Copy and paste a paper’s link or DOI into the OAB website.

Provides legal access to the paper on the subsequent page. PaperPanda (https://paperpanda.app/)

Chrome extension similar to Unpaywall. Enables one-click access to millions of research papers. DOAJ (Directory of Open Access Journals) (https://doaj.org/)

Offers free access to millions of scientific papers globally. Focuses on open-access journals. OA.mg (https://oa.mg/)

Search engine designed specifically for academic papers. Provides access to over 250 million papers. Core (https://core.ac.uk/)

World’s largest database of research papers. Contains over 298 million papers available for free. arXiv (https://arxiv.org/)

Specializes in natural sciences and economics. Offers free access to 2.4 million academic papers.

Tip: Remove any spaces in the URLs if there are issues accessing the websites.