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

Aggregator of open access research papers for researchers and repositories.

A visual interface to the world’s scientific knowledge.

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

Browse recent arXiv papers based on semantic similarity.

Semantic Scholar helps researchers find better academic publications faster

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

Free research management, collaboration, and productivity platform

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

BASE provides more than 150 million documents, from more than 7,000 sources.