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.

Browse recent arXiv papers based on semantic similarity.

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

Semantic Scholar helps researchers find better academic publications faster

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

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.