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

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

A visual interface to the world’s scientific knowledge.

Semantic Scholar helps researchers find better academic publications faster

Browse recent arXiv papers based on semantic similarity.

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

Transform your R&D with the industry's most widely adopted Life Sciences R&D Cloud.

Enables users to find, view, and share full-text scientific articles instantly.

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

MetaLib conducts simultaneous searches in multiple, heterogeneous information resources.