Mendeley is a desktop and web program produced by Elsevier for managing and sharing research papers, discovering research data and collaborating online.

A service to help the academic community find academic content, researchers, and more.

A global science search engine designed to accelerate scientific discovery and progress by the sharing of scientific knowledge.

Access to more than 12 million academic journal articles, books, and primary sources in 75 disciplines.

A website that hosts a community-curated list of open access journals.

Online rental service for scientific, technical and medical research.

Baidu Scholar aims to become the biggest, most comprehensive research platform in China.

Detect open access versions of articles, unlock free, legal scholarly PDFs.

A unique search tool, helping you to find free academic articles and books

Semantic Scholar helps researchers find better academic publications faster