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.

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

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.

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

MetaLib conducts simultaneous searches in multiple, heterogeneous information resources.